w3schools jquery code example

Example 1: 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.

Example 2: jquery

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
new 3.5.1

Example 3: javascript

let str = 'Hello World';
console.log(str);