Under what circumstances would you use JavaScript?

hello,
java script is a client side scripting...means doing some operations with out sending requests to the server...means for example doing validation for a form before interacting with server...by this we are not waste the server time...

And read some javascript tutorials by googling...

hello,
java script is a client side scripting...means doing some operations with out sending requests to the server...means for example doing validation for a form before interacting with server...by this we are not waste the server time...

And read some javascript tutorials by googling...

Does that answer my question Shanti bhaji?

Does that answer my question Shanti bhaji?

Exaclty....
or again post your thread in detail...

Describe the circumstances when tecnologies such as Active Server Pages, PHP, JavaScript, JavaApplets,XML etc are required?

If you want to implement basic means static website,then go for html..
and if you want to implement dynamic website ,then choose asp or php what ever you like...
and javascript can be used in all server side technologies for the purpose validating...
and xml is for data sharing...