This is the reason Puppeteer is so cool, it is a browser that renders each page just like you would when you access it via your browser. You should not use this mode in a production build, use it for development only. This is very powerful when building it for the first time and when checking for errors. This is basically going to tell the Chromium browser to NOT use the headless mode, meaning it will show up on your screen and do all the commands you tell it to so that you can see it visually.īecause of the simple fact that you can see and pause with a debugger on any point of the execution and check out what is exactly happening with your code. file with content that looks similar to this: ) // default is true Now you can input all the project details and you also can just hit EnterĪfter the setup you should now have a package.json. You can simply do this with the Terminal by going to the newly created folder and then running the following command: $ npm init
#Web scraping with nodejs Pc#
The first thing that you need to make sure is to have NodeJs installed in your PC or Mac.Īfter that you can initiate your first project on a new and empty folder with npm. Puppeteer is created by the folks from Google and also maintained by them and even though’ the project is still pretty new to the market, it has skyrocketed over all the other competitors ( NightmareJs, Casper.etc ) with over 40 000 stars on github. Take screenshots programmatically for different situations.Press the keyboard and type stuff into input boxes.Move the mouse and make use of it just like a human would.
You can do things like a normal browser would do and a normal human would, for example: Puppeteer is a library created for NodeJs which basically gives you the ability to control everything on the Chrome or Chromium browser, with NodeJs. A Guide to Web Scraping with Node and Puppeteer: (Puppeteer provides a handy way to control a Chrome instance from Node.)- JavaScript Daily March 15, 2019
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