JavaScript

On this page, we get you up and running with Sentry's SDK, so that it will automatically report errors and exceptions in your application.

Install

Sentry captures data by using an SDK within your application’s runtime:

# Using yarn
yarn add @sentry/browser @sentry/tracing
# Using npm
npm install --save @sentry/browser @sentry/tracing

Configure

Configure Sentry as early as possible in your app. Once this is done, the Sentry SDK captures all unhandled exceptions.

import * as Sentry from "@sentry/browser";
import { Integrations } from "@sentry/tracing";
Sentry.init({
  dsn: "https://examplePublicKey@o0.ingest.sentry.io/0",
  release: "my-project-name@" + process.env.npm_package_version, // To set your release version
  integrations: [new Integrations.BrowserTracing()],
  tracesSampleRate: 1.0, // We recommend adjusting this in production
});

Verify

This snippet includes an intentional error, so you can test that everything is working as soon as you set it up:

myUndefinedFunction();

To view and resolve the recorded error, log into sentry.io and open your project. Clicking on the error's title will open a page where you can see detailed information and mark it as resolved.