It is a single threaded, interpreted, high level programming language and is one of the three main things of the world wide web.

Javascript was developed as a frontend web development language to bridge the gap between java and scripting languages, to increase web engagement by making it more interactive and engaging. Javascript is platform independent and is easily understood and interpreted by all the browsers. It has powerful Javascript frameworks which are also effortlessly debugged. Some of your requirements like adding animations on websites, continuously updating fresh content, constructing interactive forms that identify the mistakes done by the users when they are filling it, search boxes that are responsive to user queries in real time.