Java Script enables to embed command in HTML page.

Advantages :

  • Powerful
  • Simple
  • Increased functionally in the form of Applets, Active X control, VRMC objects etc..,

Java Script enables web authors to write small scripts that executes on the user’s browsers rather than on the server.

An application that collect data from a form and then post it to the server can validate the data for completeness and correctness before sending it to server. Thereby increasing the Performance of the browsing session because users have no need to send the info to the server until it has beed verified as correct.