Is it reall helpful and learning these languages?What are the jobs i can take up?

Answer 1

everything is need to create good site

Answer 2

These languages are good for many things. For instance, html, css, and Javascript are used for Web developement. Javascript is also used for computer security applications and common scripting. If you work hard and learn these languages, you can pursue a career anywhere on the planet, doing anything from making games to programming hi-tech Japanese toilets. So yes, it is helpful to learn these languages, especially if you want to pursue a coding-oriented career.