Microsoft® JScript™ 
JScript Tutorial
 JScript Language Reference 


What Is JScript?
JScript Basics
Writing JScript Code
JScript Variables
JScript Data Types
JScript Operators
Controlling Program Flow
JScript Functions
JScript Objects
JScript Reserved Keywords
Advanced JScript
Recursion
Variable Scope
Copying, Passing, and Comparing Data
Using Arrays
Advanced Object Creation
Special Characters
Troubleshooting Your Scripts