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What the text looks like in Google Chrome and what you see in the app.Puppeteer is a Node library which provides a high-level API to control Chrome or Chromium over the DevTools Protocol. Install Karma, the relevant, plugins, and the test runners using yarn: yarn add -dev karma karma-chrome-launcher karma-mocha karma-chai yarn add -dev mocha chai or use npm:Add the code that Google Fonts creates to your HTML, and specify the Noto font. Headless Chrome gives you a real browser context without the memory overhead of running a full version of Chrome.
# Basic verbose logging# Protocol traffic can be rather noisy. Click ( 'a' ) Run node -inspect-brk, eg node -inspect-brk node_modules/.bin/jest testsIn Chrome open chrome://inspect/#devices and click inspectIn the newly opened test browser, type F8 to resume test executionNow your debugger will be hit and you can debug in the test browserEnable verbose logging - internal DevTools protocol trafficWill be logged via the debug module under the puppeteer namespace. Capture a timeline trace of your site to help diagnose performance issues.Give it a spin: Getting Started InstallationDebugger await page.
Contributing to PuppeteerCheck out contributing guide to get an overview of Puppeteer development. We really appreciate the hard work those people put in to providing high quality TypeScript definitions for Puppeteer's users. For example:Ndb jest or ndb mocha (or npx ndb jest / npx ndb mocha)Debug your test inside chromium like a boss!We have recently completed a migration to move the Puppeteer source code from JavaScript to TypeScript and as of version 7.0.1 we ship our own built-in type definitions.If you are on a version older than 7, we recommend installing the Puppeteer type definitions from the DefinitelyTyped repository:Npm install -save-dev types that you'll see appearing in the Puppeteer source code are based off the great work of those who have contributed to the package.
The Puppeteer team needs input from users to stabilize Firefox support and to bring missing APIs to our attention.From Puppeteer v2.1.0 onwards you can specify puppeteer.launch( ) Q: What features does Puppeteer not support?You may find that Puppeteer does not behave as expected when controlling pages that incorporate audio and video. The ongoing collaboration with Mozilla aims to support common end-to-end testing use cases, for which developers expect cross-browser coverage. Q: What is the status of cross-browser support?Official Firefox support is currently experimental.
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