How to crawl website content in nodejs

This article introduces how to crawl the content of the website in nodejs. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

1. Const axios = require ('axios')

Axios is a promise-based HTTP library that can be used in browsers and node.js to return the requested data content according to the URL.

2. Const iconv = require ('iconv-lite')

Iconv-lite is used in node to handle various exotic encodings that occur in various operating systems; if you use the content obtained by axios, the encoding is not UTF-8, you need to use iconv-lite for transcoding.

3. Const cheerio = require ('cheerio')

Cheerio is mainly used where DOM needs to be operated on the server side.

When the returned content is html, you need to use this kind of library for node resolution in html.

About how to crawl website content in nodejs to share here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.