You can even open Chrome DevTools to inspect the test environment. Puppeteer shines when it comes to debugging: flip the headless bit to false, add slowMo, and you’ll see what the browser is doing. Note that Chromium and Chrome are two different browsers. Puppeteer v1.5.0 also exposes browser contexts, making it possible to efficiently parallelize test execution. Microsoft released the following security and nonsecurity updates for Office in May 2023. The browser is downloaded to the HOME/.cache/puppeteer folder by default (starting with Puppeteer v19.0.0).
Chromium is an open-source web browser made by Google. Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. When you install Puppeteer, it automatically downloads a recent version of Chrome for Testing (170MB macOS, 282MB Linux, 280MB Windows) that is guaranteed to work with Puppeteer.
In this Puppeteer tutorial, we will be focusing on Chromium. When it is installed, it downloads a recent version of Chromium that is guaranteed to work with the. There are few more browsers with headless mode supported, for example, Splash, Chromium, etc. To download files with Puppteer we can either the browser's fetch feature - which will download the file into a javascript variable - or find and click the download button which will download the file to the browser's save directory: // start puppeteerĬonst browser = await puppeteer.launch() Īwait page._nd('Page. Puppeteer Tutorial: Scraping With a Headless Browser.
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