Working :
- Provides a fairly complete set of built-in functions and commands.
- Performs math calculations, manipulate strings, play sounds, open new windows and new URLs and access and verify user input to the web forms.
- Set attributes or properties of web page elements, Activex Controls, applets and other objects present in browser.
Rules :
- Java Script is case sensitive.
- Java Script is flexible about statements.
- Make sure to add a semicolon at the end of each statement.
- Group statement into blocks each block may be the body of a fuction and section of code that gets executes in a loop or as part of a condition test.
