Where do we use javascript language?

Question

I can't understand what's the need of JavaScript

Answer 1

https://www.sololearn.com/learn/JavaScript/1123/

Answer 2

Javascript is used in web development, It is used a lot in the internet, nowadays every web page is using javascript, try turning off javascript from you internet browser in your mobile or computer to see. For more : https://www.quora.com/What-is-JavaScript-used-for-1