JScript incorporates almost all of the features in ECMAScript Edition 3 and many of the proposed features proposed for ECMAScript Edition 4. In addition, JScript also has many unique features that are not provided by the ECMAScript languages. These JScript-specific features are listed in the table below.
JScript-specific Features
Category | Feature/Keyword |
|---|
Array Handling | VBArray dimensions, getItem, lbound, toArray, ubound |
Class-Based Objects | expando, super |
Conditional Compilation | @cc_on,@if Statement,@set Statement,@debug,@position,Conditional Compilation Variables |
Data Types | boolean, byte, char, decimal,double, float, int, long,Number, sbyte, short, String,uint, ulong, ushort |
Dates and Time | getVarDate |
Displaying Information | print |
Enumeration | Enumerator atEnd, item, moveFirst, moveNext |
Namespaces | package, import |
Objects | Enumerator VBArray ActiveXObject GetObject |
Script Engine Identification | ScriptEngine ScriptEngineBuildVersion ScriptEngineMajorVersion ScriptEngineMinorVersion |
See Also