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v10.0.0 (2021-05-31) ⚠ BREAKING CHANGES Node.js 10 is no longer supported. Features chromium: roll to Chromium 92.0.4512.0 (r884014) (#7288) (f863f4b) requestinterception: remove cacheSafe flag (#7217) (d01aa6c) expose other sessions from connection (#6863) (cb285a2) launcher: add new launcher option waitForInitialPage (#7105) (2605309), closes #3630 Bug Fixes added comments for browsercontext, st
v6.0.0 (2021-02-02) ⚠ BREAKING CHANGES chromium: The built-in aria/ selector query handler doesn’t return ignored elements anymore. typescript: Puppeteer now ships with built-in TypeScript definitions. This means you no longer need to install @types/puppeteer. We are aware that there are likely improvements that can be made to our types to improve the developer experience when using them; please o
Puppeteer and its approach to selectors Puppeteer is a browser automation library for Node: it lets you control a browser using a simple and modern JavaScript API. The most prominent browser task is, of course, browsing web pages. Automating this task essentially amounts to automating interactions with the webpage. In Puppeteer, this is achieved by querying for DOM elements using string-based sele
About half a year ago Bronley Plumb kindly made me aware of a memory leak in one of my open-source packages. To see this memory leak in action it was necessary to open a browser and its dev tools to execute some manual steps. On top of that, the memory had to be inspected manually. It was a complicated procedure. Normally I just add a failing test before I fix a bug. This time it was a bit more tr
Behind the scenes We've continued our drive to migrate to a new documentation system using TSDoc. These docs are available in the new-docs directory on GitHub. These aren't ready for use just yet but we're making great progress. You can track this work in #6118. We've continued improving our TypeScript definitions. Our tests are now migrated to TypeScript (#5830) so that we're consuming our own AP
Breaking change: Puppeteer no longer uses Node’s EventEmitter library As part of our work to make Puppeteer agnostic of its environment we are removing the dependency on Node’s EventEmitter in favour of an event emitter that is not tied to Node. Under the hood we use Mitt, but we extend Mitt with additional functionality to match most of the methods that Node’s EventEmitter provides. The following
Web developers today are shipping faster. Web apps are becoming increasingly sophisticated and run across all devices — our phones, tablets and desktops — each running a different browser engine. This increase in velocity and targets puts immense pressure on the testing process: automated cross-browser testing has become more important than ever. Automated end-to-end tests can be incredibly powerf
Big changes Chromium 79.0.3942.0 (r706915) Puppeteer now requires Node.js v8+; Node.js v6 is no longer supported page.screenshot now clips elements to the viewport (#5080) New APIs: page.emulateTimezone(timezoneId) page.emulateMediaType(type) (superseding the old page.emulateMedia(type) API) page.emulateMediaFeatures(features) API changes New API: page.emulateTimezone(timezoneId) (#4949) New API:
Prototype: Puppeteer for Firefox ⚠️ The puppeteer-firefox package has been deprecated: Firefox support is gradually transitioning to the puppeteer package. As of puppeteer v2.1.0 you can interact with Firefox Nightly. The puppeteer-firefox package will remain available until the transition is complete, but it is no longer actively maintained. For more information visit https://wiki.mozilla.org/Rem
Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. Puppeteer runs in headless mode by default, but can be configured to run in full ("headful") Chrome/Chromium. Get started | API | FAQ | Contributing | Troubleshooting Example import puppeteer from 'puppeteer'; (async () => { // Launch the browser and open a new blank page const b
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