what is jquery

1jQuery is a lightweight, "write less, do more", JavaScript library.
2
3The purpose of jQuery is to make it  much easier to use JavaScript on
4your website. 
5
6jQuery takes a lot of common tasks that require many lines of JavaScript code
7to accomplish, and wraps them into methods that you can call with a single
8line of code.

1npm install jquery
2

1jQuery is a JavaScript library designed to simplify HTML DOM tree
2traversal and manipulation, as well as event handling, CSS animation,
3and Ajax.
4
5It is free, open-source software using the permissive MIT License.
6
7As of May 2019, jQuery is used by 73% of the 10 million most popular
8websites

1Q: What is jQuery?
2  
3A: jQuery is a JavaScript library designed to simplify HTML DOM tree traversal
4and manipulation, as well as event handling, CSS animation, and Ajax. It is
5free, open-source software using the permissive MIT License. As of May 2019,
6jQuery is used by 73% of the 10 million most popular websites

1jQuery is a fast, small, and feature-rich JavaScript library.
2It makes things like HTML document traversal and manipulation,
3event handling, animation, and Ajax much simpler with an easy-to-use
4API that works across a multitude of browsers.
5
6With a combination of versatility and extensibility,
7jQuery has changed the way that millions of people write JavaScript.