Why JavaScript is used into html document?

Question

Can I use JavaScript in various programming languages.

Answer 1

I think JavaScript only supports html 5 document format.

Answer 2

It's important to understand how JavaScript is working as its often used as client side scripting language (can be used server side too). Other scripting or programming languages like PHP or MySQL are commonly used server side, although you may run them on your local machine too if you want. For JavaScript it means, all functions and code you're writing will execute and do stuff on the person visiting the website containing that JavaScript file.
And JavaScript can be used in more than websites. You can also use it in your browsers command line panel or other software projects like games!

Answer 3

javascript is used to add interactivity to the webpage there is no effect if it is in page or different source page. yes it used in many languages. you can add
it for script

Answer 4

yes

Answer 5

JavaScript plays very important role in controlling the flow of ur website .. People know that js is very useful not only in form validation but also in creating repetitive animation, web ppt and a user interface control for making ur website look more beautiful and interactive to users..

Answer 6

Here I am going to provide you an useful link about JavaScript:

http://www.improgrammer.net/simple-yet-powerful-javascript-tips/

Answer 7

yes you can use it in various language it is used in Java flash Android etc commonly not only in web

Answer 8

it supports all previous versions of html and css