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What is the Javascript - It's introduction, importance, & libraries.

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If you have used HTML or tried to make something on it. Then you might feel that you need to do some effect on button click, mouse over, it should let us know that the form that we have filled is correct or not or some fields left empty. Javascript is suitable for all of them. Javascript is a language of programming that let us do the various things on a webpage.

It is out of the 3 major languages that a web developer has to learn. So, you can feel the importance of this. Those 3 major languages are HTML, CSS & Javascript.

JavaScript was invented by best hands of Brendan Eich in 1995 and soon it became ECMA(European Computer Manufacturer's Association) standard in 1997. Javascript is based on the ECMAScript standard. ECMA Standard is based on some originating technologies such as JavaScript (Netscape) and JScript (Microsoft). Javascript works with HTML & CSS and some how it manipulates them as well. It is object based language & easy to learn.

Javascript can be useful…