what is js programming language 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

JavaScript is a text-based programming language used both on the client-side
and server-side that allows you to make web pages interactive.
Where HTML and CSS are languages that give structure and style to web pages,
JavaScript gives web pages interactive elements that engage a user.