Javascript have a Document Help??
Php , Java Have a Document Help It show function and method.

I want Document Help.

Please advise me. Or Link Download Document Help for Javascript.

Thank you.

Sorry I am bad English.

You can try the documentation at the Mozilla Developer Center.

If you search for 'javascript documentation' in any search engine you'll find plenty of results for other documentation.

Not have a Document Download?How to write Javascript.When you have Problem?

That's what the link in vagogh's post IS. The javascript manual for the Mozilla DOM. Mozilla = Firefox browser.

then there is
http://www.w3schools.com/jsref/default.asp
http://www.devguru.com/technologies/JavaScript/home.asp

or you could use the services of Google

Thank You everyone