What is web scraping?
Web scraping is a technique used to extract data from websites. This can be done manually, but more often it is done using automated tools. These tools can be written in a variety of languages, but one of the most popular is JavaScript.
Why use JavaScript for web scraping?
There are a few reasons why JavaScript is a popular choice for web scraping. Firstly, it is a very versatile language and can be used to create both desktop and web applications. Secondly, it has a large community of developers who are always creating new libraries and tools. Finally, it is relatively easy to learn and can be used by both beginners and experts.
What is Puppeteer?
Puppeteer is a library created by Google that makes it easy to write web scraping scripts in JavaScript. It provides a number of features that make web scraping easier, including:
• A powerful API that allows you to control the browser and extract data from web pages.
• The ability to automatically follow links and navigate through websites.
• The ability to scrape data from tables and other complex HTML structures.
How can Puppeteer be used for web scraping?
Puppeteer can be used in a number of ways for web scraping. For example, you can use it to extract data from a single web page, or you can use it to navigate through a website and extract data from multiple pages. You can also use it to scrape data from complex HTML structures, such as tables.
What is Node.js?
Node.js is a platform built on top of Chrome’s JavaScript engine that allows you to write JavaScript code for both the server and the client. It has a large community of developers and a large number of libraries that make it easy to do a variety of tasks, including web scraping.
How can Node.js be used for web scraping?
Node.js can be used for web scraping in a number of ways. For example, you can use it to create a web scraping script that runs on the server, or you can use it to create a script that runs in the browser. You can also use it to scrape data from complex HTML structures, such as tables.
