{"componentChunkName":"component---src-templates-doc-tsx","path":"/clients/javascript/tips/","result":{"data":{"file":{"id":"e7e57c35-6e63-59a6-be02-fc5c260c8bfe","relativePath":"clients/javascript/tips.mdx","sourceInstanceName":"docs","childMarkdownRemark":null,"childMdx":{"body":"function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }\n\nfunction _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }\n\nfunction _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }\n\n/* @jsx mdx */\nvar _frontmatter = {\n  \"draft\": false,\n  \"categories\": [],\n  \"toc\": true,\n  \"title\": \"Tips and Tricks\",\n  \"sidebar_order\": 4,\n  \"noindex\": true,\n  \"tags\": []\n};\n\nvar makeShortcode = function makeShortcode(name) {\n  return function MDXDefaultShortcode(props) {\n    console.warn(\"Component \" + name + \" was not imported, exported, or provided by MDXProvider as global scope\");\n    return mdx(\"div\", props);\n  };\n};\n\nvar CodeTabs = makeShortcode(\"CodeTabs\");\nvar CodeBlock = makeShortcode(\"CodeBlock\");\nvar Alert = makeShortcode(\"Alert\");\nvar layoutProps = {\n  _frontmatter: _frontmatter\n};\nvar MDXLayout = \"wrapper\";\nreturn function MDXContent(_ref) {\n  var components = _ref.components,\n      props = _objectWithoutProperties(_ref, [\"components\"]);\n\n  return mdx(MDXLayout, _extends({}, layoutProps, props, {\n    components: components,\n    mdxType: \"MDXLayout\"\n  }), mdx(\"p\", null, \"These are some general recommendations and tips for how to get the most out of Raven.js and Sentry.\"), mdx(\"h2\", {\n    \"id\": \"decluttering-sentry\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#decluttering-sentry\",\n    \"aria-label\": \"decluttering sentry permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Decluttering Sentry\"), mdx(\"p\", null, \"The first thing to do is to consider limiting exceptions to those raised from a list of allowed domains.\"), mdx(\"p\", null, \"If your scripts are loaded from \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"cdn.example.com\"), \" and your site is \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"example.com\"), \" it\\u2019d be reasonable to set \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"whitelistUrls\"), \" to:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"javascript\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"javascript\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), \"whitelistUrls\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"[\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token regex\"\n  }), \"/https?:\\\\/\\\\/((cdn|www)\\\\.)?example\\\\.com/\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"]\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"))))))), mdx(\"p\", null, \"Since this accepts a regular expression, that would catch anything \", \"*\", \".example.com or example.com exactly. See also: \", mdx(\"a\", _extends({\n    parentName: \"p\"\n  }, {\n    \"href\": \"/clients/javascript/config/#config-whitelist-urls\"\n  }), \"Config: whitelistUrls\"), \".\"), mdx(\"p\", null, \"Next, check out the list of \", mdx(\"a\", _extends({\n    parentName: \"p\"\n  }, {\n    \"href\": \"/clients/javascript/integrations/\"\n  }), mdx(\"em\", {\n    parentName: \"a\"\n  }, \"integrations\")), \" we provide and see which are applicable to you.\"), mdx(\"p\", null, \"The community has compiled a list of common ignore rules for common things, like Facebook, Chrome extensions, etc. So it\\u2019s recommended to at least check these out and see if they apply to you. \", mdx(\"a\", _extends({\n    parentName: \"p\"\n  }, {\n    \"href\": \"https://gist.github.com/impressiver/5092952\"\n  }), \"Check out the original gist\"), \".\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: 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parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"[\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// Random plugins/extensions\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"top.GLOBALS\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// See: http://blog.errorception.com/2012/03/tale-of-unfindable-js-error.html\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"originalCreateNotification\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", 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(thanks @acdha)\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// See http://stackoverflow.com/questions/4113268\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"bmi_SafeAddOnload\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"EBCallBackMessageReceived\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// See http://toolbar.conduit.com/Developer/HtmlAndGadget/Methods/JSInjection.aspx\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"conduitPage\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n  \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"]\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n  ignoreUrls\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"[\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// Facebook flakiness\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"graph\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"facebook\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"com\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"i\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// Facebook blocked\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"connect\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"facebook\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"net\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token regex\"\n  }), \"/en_US\\\\/all\\\\.js/i\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// Woopra flakiness\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"eatdifferent\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"com\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"woopra\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"-\"), \"ns\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"com\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"i\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token regex\"\n  }), \"/static\\\\.woopra\\\\.com\\\\/js\\\\/woopra\\\\.js/i\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// Chrome extensions\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"extensions\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token 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\"webappstoolbarba\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"texthelp\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"com\\\\\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"/\"), \"i\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token regex\"\n  }), \"/metrics\\\\.itunes\\\\.apple\\\\.com\\\\.edgesuite\\\\.net\\\\//i\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n  \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"]\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"))))))), mdx(\"h2\", {\n    \"id\": \"sampling-data\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#sampling-data\",\n    \"aria-label\": \"sampling data permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Sampling Data\"), mdx(\"p\", null, \"It happens frequently that errors sent from your frontend can be overwhelming. One solution here is to only send a sample of the events that happen. You can do this via the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"shouldSendCallback\"), \" setting:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"javascript\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"javascript\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function-variable function\"\n  }), \"shouldSendCallback\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"function\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token parameter\"\n  }), \"data\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// only send 10% of errors\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"var\"), \" sampleRate \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"10\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"return\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"Math\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"random\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"*\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"100\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"<=\"), \" sampleRate\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"))))))), mdx(\"h2\", {\n    \"id\": \"jquery-ajax-error-reporting\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#jquery-ajax-error-reporting\",\n    \"aria-label\": \"jquery ajax error reporting permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"jQuery AJAX Error Reporting\"), mdx(\"p\", null, \"For automatically reporting AJAX errors from jQuery, the following tips might be helpful, however depending on the type of request you might have to do slightly different things.\"), mdx(\"h2\", {\n    \"id\": \"same-origin\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#same-origin\",\n    \"aria-label\": \"same origin permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Same Origin\"), mdx(\"p\", null, \"Whenever an Ajax request completes with an error, jQuery triggers the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"ajaxError\"), \" event, passing the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"event\"), \" object, the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"jqXHR\"), \" object (prior to jQuery 1.5, the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"XHR\"), \" object), and the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"settings\"), \" object that was used in the creation of the request. When an HTTP error occurs, the fourth argument (\", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"thrownError\"), \") receives the textual portion of the HTTP status, such as \\u201CNot Found\\u201D or \\u201CInternal Server Error.\\u201D\"), mdx(\"p\", null, \"You can use this event to globally handle Ajax errors:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"javascript\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"javascript\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"$\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"document\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"ajaxError\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"function\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token parameter\"\n  }), \"event\", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" jqXHR\", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" ajaxSettings\", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" thrownError\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n  Raven\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"captureMessage\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"thrownError \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"||\"), \" jqXHR\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"statusText\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    extra\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n      type\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" ajaxSettings\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"type\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n      url\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" ajaxSettings\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"url\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n      data\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" ajaxSettings\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"data\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n      status\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" jqXHR\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"status\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n      error\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" thrownError \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"||\"), \" jqXHR\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"statusText\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n      response\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" jqXHR\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"responseText\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"substring\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"0\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"100\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n  \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"))))))), mdx(Alert, {\n    level: \"warning\",\n    title: \"Note\",\n    mdxType: \"Alert\"\n  }, mdx(\"markdown\", null, mdx(\"ul\", null, mdx(\"li\", {\n    parentName: \"ul\"\n  }, \"This handler is not called for cross-domain script and cross-domain JSONP requests.\"), mdx(\"li\", {\n    parentName: \"ul\"\n  }, \"If \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \"$.ajax()\"), \" or \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \"$.ajaxSetup()\"), \" is called with the \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \"global\"), \" option set to \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \"false\"), \", the \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \".ajaxError()\"), \" method will not fire.\"), mdx(\"li\", {\n    parentName: \"ul\"\n  }, \"As of jQuery 1.8, the \", mdx(\"inlineCode\", {\n    parentName: \"li\"\n  }, \".ajaxError()\"), \" method should only be attached to document.\")))), mdx(\"h2\", {\n    \"id\": \"cross-origin\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#cross-origin\",\n    \"aria-label\": \"cross origin permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Cross Origin\"), mdx(\"p\", null, \"Due to security reasons most web browsers are not giving permissions to access error messages for cross domain scripts. This is not jQuery issue but an overall JavaScript limitation.\"), mdx(\"p\", null, \"Depending on your situation you have different options now:\"), mdx(\"h3\", {\n    \"id\": \"when-you-control-the-backend\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h3\"\n  }, {\n    \"href\": \"#when-you-control-the-backend\",\n    \"aria-label\": \"when you control the backend permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"When you control the backend\"), mdx(\"p\", null, \"If you have access to the backend system you are calling, you can set response headers to allow a cross domain call:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"yaml\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"yaml\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-yaml\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-yaml\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token key atrule\"\n  }), \"Access-Control-Allow-Origin\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \":\"), \" *\")))))), mdx(\"p\", null, \"Script tags have now got a new non-standard attribute called \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"crossorigin\"), \" (\", mdx(\"a\", _extends({\n    parentName: \"p\"\n  }, {\n    \"href\": \"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-crossorigin\"\n  }), \"read more\"), \"). The most secure value for this would be \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"anonymous\"), \". So, you\\u2019ll have to modify your script tags to look like the following:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"html\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"html\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-html\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-html\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token tag\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token tag\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"<\"), \"script\"), \" \", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token attr-name\"\n  }), \"src\"), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token attr-value\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation attr-equals\"\n  }), \"=\"), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"\\\"\"), \"http://sub.domain.com/script.js\", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"\\\"\")), \" \", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token attr-name\"\n  }), \"crossorigin\"), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token attr-value\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation attr-equals\"\n  }), \"=\"), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"\\\"\"), \"anonymous\", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"\\\"\")), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \">\")), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token script\"\n  })), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token tag\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token tag\"\n  }), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"</\"), \"script\"), mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \">\")))))))), mdx(\"h3\", {\n    \"id\": \"when-you-have-no-access-to-the-backend\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h3\"\n  }, {\n    \"href\": \"#when-you-have-no-access-to-the-backend\",\n    \"aria-label\": \"when you have no access to the backend permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"When you have no access to the backend\"), mdx(\"p\", null, \"If you have no access to the backend, you could try a workaround, which is basically adding a timeout on the Ajax call. This is however very dirty, and will fail on slow connection or long response time:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"javascript\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"javascript\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), \"$\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"ajax\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \"\\n    url\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"'http://mysite/leaflet.js'\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function-variable function\"\n  }), \"success\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"function\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"...\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function-variable function\"\n  }), \"error\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"function\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"{\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"...\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    timeout\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"2000\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// 2 seconds timeout before error function will be called\"), \"\\n    dataType\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"'script'\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \",\"), \"\\n    crossDomain\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \":\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token boolean\"\n  }), \"true\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"}\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"))))))), mdx(\"h2\", {\n    \"id\": \"raven-test-kit\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h2\"\n  }, {\n    \"href\": \"#raven-test-kit\",\n    \"aria-label\": \"raven test kit permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Raven Test Kit\"), mdx(\"p\", null, \"When building tests for your application, you want to assert that the right flow-tracking or error is being sent to \", mdx(\"em\", {\n    parentName: \"p\"\n  }, \"Sentry\"), \", \", mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"but\"), \" without really sending it to the \", mdx(\"em\", {\n    parentName: \"p\"\n  }, \"Sentry\"), \" system. This way you won\\u2019t swamp it with false reports during test running and other CI operations.\"), mdx(\"p\", null, mdx(\"a\", _extends({\n    parentName: \"p\"\n  }, {\n    \"href\": \"https://github.com/wix/raven-testkit\"\n  }), \"Raven Test Kit\"), \" enables Raven to work natively in your application, but it overrides the default Raven transport mechanism so the report is not really sent but rather logged locally. In this way, the logged reports can be fetched later for usage verification or other uses you may have in your testing environment.\"), mdx(\"h3\", {\n    \"id\": \"installation\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h3\"\n  }, {\n    \"href\": \"#installation\",\n    \"aria-label\": \"installation permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"Installation\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"shell\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"shell\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-shell\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-shell\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"npm\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"install\"), \" raven-testkit --save-dev\")))))), mdx(\"h3\", {\n    \"id\": \"how-to-use\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", _extends({\n    parentName: \"h3\"\n  }, {\n    \"href\": \"#how-to-use\",\n    \"aria-label\": \"how to use permalink\",\n    \"className\": \"anchor before\"\n  }), mdx(\"svg\", _extends({\n    parentName: \"a\"\n  }, {\n    \"viewBox\": \"0 0 24 24\",\n    \"xmlns\": \"http://www.w3.org/2000/svg\"\n  }), mdx(\"path\", _extends({\n    parentName: \"svg\"\n  }, {\n    \"d\": \"M10.879 6.05L15 1.93A5.001 5.001 0 0 1 22.071 9l-4.121 4.121a1 1 0 0 1-1.414-1.414l4.12-4.121a3 3 0 1 0-4.242-4.243l-4.121 4.121a1 1 0 1 1-1.414-1.414zm2.242 11.9L9 22.07A5 5 0 1 1 1.929 15l4.121-4.121a1 1 0 0 1 1.414 1.414l-4.12 4.121a3 3 0 1 0 4.242 4.243l4.121-4.121a1 1 0 1 1 1.414 1.414zm-8.364-.122l13.071-13.07a1 1 0 0 1 1.415 1.414L6.172 19.242a1 1 0 1 1-1.415-1.414z\",\n    \"fill\": \"currentColor\"\n  })))), \"How to Use\"), mdx(\"p\", null, \"Then you may create a \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"testkit\"), \" instance and validate your reports against it as follows:\"), mdx(\"div\", {\n    \"className\": \"code-tabs-wrapper\"\n  }, mdx(CodeTabs, {\n    mdxType: \"CodeTabs\"\n  }, mdx(CodeBlock, {\n    language: \"javascript\",\n    title: \"\",\n    filename: \"\",\n    mdxType: \"CodeBlock\"\n  }, mdx(\"div\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"gatsby-highlight\",\n    \"data-language\": \"javascript\"\n  }), mdx(\"pre\", _extends({\n    parentName: \"div\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-javascript\"\n  }), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"import\"), \" testKitInitializer \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"from\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token string\"\n  }), \"\\\"raven-testkit\\\"\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  }), \"const\"), \" testKit \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token operator\"\n  }), \"=\"), \" \", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"testKitInitializer\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"Raven\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token comment\"\n  }), \"// any scenario that should call Raven.catchException(...)\"), \"\\n\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"expect\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), \"testKit\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"reports\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"to\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), \"have\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \".\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token function\"\n  }), \"lengthOf\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \"(\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token number\"\n  }), \"1\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \")\"), mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token punctuation\"\n  }), \";\"), \"\\n\", mdx(\"span\", _extends({\n    parentName: \"code\"\n  }, {\n    \"className\": \"token keyword\"\n  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Decluttering Sentry The first thing to do is to consider limiting exceptions to those raised from a list of allowed domains. If your scripts are loaded from  cdn.example.com  and your site is  example.com  it’d be reasonable to set  whitelistUrls  to: Since this accepts a regular expression, that would catch anything  * .example.com or example.com exactly. See also:  Config: whitelistUrls . Next, check out the list of  integrations  we provide and see which are applicable to you. The community has compiled a list of common ignore rules for common things, like Facebook, Chrome extensions, etc. So it’s recommended to at least check these out and see if they apply to you.  Check out the original gist . Sampling Data It happens frequently that errors sent from your frontend can be overwhelming. One solution here is to only send a sample of the events that happen. You can do this via the  shouldSendCallback  setting: jQuery AJAX Error Reporting For automatically reporting AJAX errors from jQuery, the following tips might be helpful, however depending on the type of request you might have to do slightly different things. Same Origin Whenever an Ajax request completes with an error, jQuery triggers the  ajaxError  event, passing the  event  object, the  jqXHR  object (prior to jQuery 1.5, the  XHR  object), and the  settings  object that was used in the creation of the request. When an HTTP error occurs, the fourth argument ( thrownError ) receives the textual portion of the HTTP status, such as “Not Found” or “Internal Server Error.” You can use this event to globally handle Ajax errors: This handler is not called for cross-domain script and cross-domain JSONP requests. If  $.ajax()  or  $.ajaxSetup()  is called with the  global  option set to  false , the  .ajaxError()  method will not fire. As of jQuery 1.8, the  .ajaxError()  method should only be attached to document. Cross Origin Due to security reasons most web browsers are not giving permissions to access error messages for cross domain scripts. This is not jQuery issue but an overall JavaScript limitation. Depending on your situation you have different options now: When you control the backend If you have access to the backend system you are calling, you can set response headers to allow a cross domain call: Script tags have now got a new non-standard attribute called  crossorigin  ( read more ). The most secure value for this would be  anonymous . So, you’ll have to modify your script tags to look like the following: When you have no access to the backend If you have no access to the backend, you could try a workaround, which is basically adding a timeout on the Ajax call. This is however very dirty, and will fail on slow connection or long response time: Raven Test Kit When building tests for your application, you want to assert that the right flow-tracking or error is being sent to  Sentry ,  but  without really sending it to the  Sentry  system. This way you won’t swamp it with false reports during test running and other CI operations. Raven Test Kit  enables Raven to work natively in your application, but it overrides the default Raven transport mechanism so the report is not really sent but rather logged locally. In this way, the logged reports can be fetched later for usage verification or other uses you may have in your testing environment. Installation How to Use Then you may create a  testkit  instance and validate your reports against it as follows: Additionally, you may pass your own  shouldSendCallback  logic Other useful API, more example usage and updates can be found in  Raven Test Kit","title":"Tips and Tricks","description":null,"draft":false,"noindex":true,"notoc":null,"sidebar_order":4,"redirect_from":null,"keywords":null,"id":"e7e57c35-6e63-59a6-be02-fc5c260c8bfe","legacy":true}},"staticQueryHashes":["1218203755","1222113826","1222113826","1766336459","2158593473","2764967025","3345802723","3818502851","3990806462","4015007367","4192517163","4264099332","518019976"]}