homaio.blogg.se - Download puppeteer examples for free

To skip the download, 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" Give it a spin: Getting Started Installation

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. Install Puppeteer Core ( puppetter-core) package.API | FAQ | Contributing | Troubleshooting I will create the script that use puppeteer-core to show my Google Chrome version. I don't know what current version of Google Chrome installed. I am using Ubuntu 19.10 eoan and I already have Google Chrome installed and now I want to try puppeteer-core. We will show this later on the source code. Technically we have to define executablePath option that contains the Chrome or Chromium browser path.

The difference between puppeteer and puppeteer-core in the term of launch settings is we have to define the Chrome or Chromium browser executable path. I am sure for general use case it will work. And again according to documentation said below.īe sure that the version of puppeteer-core you install is compatible with the browser you intend to connect to.

What does it means? It means you can use existing Chrome or Chromium browser for browsing automation with Puppeteer. It available since Puppeteer version 1.7.0. Today we will try to use Puppeteer Core (package name puppeteer-core), a version of Puppeteer that doesn't download Chromium by default. So it's quite big download size and usually takes long time during installation. If you used to play with Puppetter, you must be already know that when installing Puppeteer (with npm i puppeteer) it will install recent version of Chromium browser.