Puppeteer-core is intended to be a lightweight version of Puppeteer for launching an existing browser installation or for connecting to a remote one. ```bashnpm i puppeteer-core or 'yarn add puppeteer-core' Since version 1.7.0 we publish the puppeteer-core package,a version of Puppeteer that doesn't download any browser by default. To skip the download, download into another path, or download a different browser, see Environment variables. Note: When you install Puppeteer, it downloads a recent version of Chromium (~170MB Mac, ~282MB Linux, ~280MB Win) that is guaranteed to work with the API. ```bashnpm i puppeteer or 'yarn add puppeteer'

Capture a timeline trace of your site to help diagnose performance issues.

Run your tests directly in the latest version of Chrome using the latest JavaScript and browser features.

Create an up-to-date, automated testing environment.

Automate form submission, UI testing, keyboard input, etc.

Crawl a SPA (Single-Page Application) and generate pre-rendered content (i.e.

Generate screenshots and PDFs of pages.

Most things that you can do manually in the browser can be done using Puppeteer! Here are a few examples to get you started: Puppeteer runs headless by default, but can be configured to run full (non-headless) Chrome or Chromium. Puppeteer is a Node library which provides a high-level API to control Chrome or Chromium over the DevTools Protocol. API | FAQ | Contributing | Troubleshooting AllowDecimalPoint, deDE, out var decValueEstPercent ) ĭto. AllowDecimalPoint, deDE, out var decValueEst ) ĭecimal. Var deDE = new CultureInfo ( 'de-DE ' ) ĭecimal. EvaluateFunctionAsync ( '()=>document.querySelector('#ui-id-4 > div.ekst_ergebnis > div:nth-child(6) > table > tbody > tr:nth-child(3) > td:nth-child(3) > strong').textContent ' ) EvaluateFunctionAsync ( '()=>document.querySelector('#ui-id-4 > div.ekst_ergebnis > div:nth-child(6) > table > tbody > tr:nth-child(3) > td:nth-child(2) > strong').textContent ' ) WaitForExpressionAsync ( $' document.getElementById(' ').checked = true ' ) Īwait page. await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision) // This statement downloads and installs chromium String id_input_Umsatz = 'bmf_form_ekst:ekst_zve ' String id_checkbox_IsMarried = 'bmf_form_ekst:ekst_pv:0 ' downloads chromium to the local project, needed by Puppeteer Sharp for execution, takes about 2 min!Īwait new BrowserFetcher ( ).

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