how to use % js code example

Example 1: JavaScript

Javascript is a very high-level coding language used in HTML and many of your 
favorite websites, Couldn't be made without JS. Javascript can be used 
Front-Back end and JavaScript is popularly known for Discord.js and 
react.js.

Example:

const discord = require = ('discord.js');

When using js its always good to remember to finish off your code with ";"

Example 2: javascript

console.log("JavaScript is the most powerful and most efficient language in the world")
//Here's Why
You can manage the Server with this using Node.JS and Express.Js

These are the most famous libs for JS 

For Building Mobile App
. React Native and Redux

For Building Windows App

. Electron

For Machine learning
. TensorFlow JS