Here we generate a CSV file and have the browser download it await page. Puppeteer creates its own browser user profile which it cleans up on every run.Const puppeteer = require ( 'puppeteer' ) Ĭonst browser = await puppeteer.launch() This article describes some differences for Linux users. See this article for a description of the differences between Chromium and Chrome. See Puppeteer.launch() for more information. You can also use Puppeteer with Firefox Nightly (experimental support). const puppeteer = require ( 'puppeteer' ) Ĭonst browser = await puppeteer. You create an instance of Browser, open pages, and then manipulate them with Puppeteer's API.Įxample: navigating to and saving a screenshot as example.png: Puppeteer will be familiar to people using other browser testing frameworks. All examples below use async/await which is only supported in Node v7.6.0 or greater. Starting from v3.0.0 Puppeteer starts to rely on Node 10.18.1+. We can’t use the full puppeteer package for production. On the other hand, page.evaluateOnNewDocument () evaluates a predefined function when a new document is created and before any of its scripts are executed. Puppeteer downloads a recent version of Chromium (170MB macOS, 282MB Linux, 280MB Windows) that’s guaranteed to work with the API. It works with applications written in Angular and AngularJS. It can be used for automating most UI tests, including keyboard and mouse movements, as well as web page crawling and scraping. Prior to v1.18.1, Puppeteer required at least Node v6.4.0. The Puppeteer function page.exposeFunction () essentially allows you to access Node.js functionality within the Page DOM Environment. Puppeteer is a tool for automating the process of frontend development and testing.
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