Paste the below code into your code editor and run our app using node app.js (async () => ) Ĭonst grabDescription = await page. ![]() We will be taking a Screenshot of a website using Puppeteer. Let's Scrape our First Data -īy default when your run your app, the browser will be launched in a Headless mode that is you won't be seeing the actions happening and you'll get the data behind the scene.īut, let's first do it without the Headless mode, it will be fun to see how it works. Using async will make sure that you wait until the website loads completely and fetch or scrape the data you want. As in a self-calling Asynchronous function. But it's actually just an Asynchronous function, which calls itself. 1 Answer Sorted by: 12 You can manually download Chromium (e.g. The above syntax might be unfamiliar and you might have never used it. After installation is completed, let's initialize the package. The installation will take time as it will also install a browser called Chromium. Head into your terminal and create a Nodejs project then type the below command in the terminal to install Puppeteer. With the help of Puppeteer, we can easily take screenshots, PDFs, navigate through web pages, and get the information of web pages.Ĭheck out Puppeteer's official documentation to learn more. It uses a headless browser called Chromium. ![]() Once you have a solid understanding of Puppeteer’s API and how it fits together in the Node. Puppeteer is a Nodejs library for web scraping. There are many ways you can download files with Puppeteer. Prerequisites - You don't need to be an expert in web development, but a prior knowledge of the HTML Elements, CSS Classes, and how the browser works will be helpful. This post is completely beginner-friendly and will teach you the basics of web scraping by actually scraping some data. Even if you are a beginner and don't know about web scraping, you don't have to worry about it. Basically, it's an opt-in subset of the repo. But puppeteer is just one component of our repo, and some users may want to clone and run commands in our repo without downloading the entire Chromium bundle. ![]() Today, in this post we'll learn how to do web scraping in Nodejs using the Library Puppeteer. By including the puppeteer package, you automatically download and install Chromium which is 200MB download. You can pretty much do everything in Nodejs too. If you are wondering if only Python can do the web scraping then you are wrong.
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