What is javascript?

Javascript supports object-oriented programming and procedural programming.It can be used to control web pages on the client side of the browser, server-side programs, and even mobile applications. Javascript is the case sensitive language.

var FirstName = "Saurabh";
var firstname = "saurabh";

Here FirstName and firstname both are different javascript variables.

This language is used commonly in combination with HTML, CSS, and AJAX.

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