Category	Feature/Keyword
Array Handling	concat, slice VBArray dimensions, getItem, lbound, toArray, ubound
Conditional Compilation	@cc_on @if Statement @set Statement Conditional Compilation Variables
Control flow	do...while Labeled switch
Dates and Time	getVarDate
Enumeration	Enumerator atEnd, item, moveFirst, moveNext
Error Handling	Error description, number throw, try...catch
Function Creation	caller
Operators	Identity (===), Nonidentity (!==)
Objects	Enumerator RegExp Regular Expression VBArray ActiveXObject GetObject
Regular Expressions and Pattern Matching	RegExp index, input, lastIndex, $1...$9, source, compile, exec, test Regular Expression Syntax
Script Engine Indentification	ScriptEngine ScriptEngineBuildVersion ScriptEngineMajorVersion ScriptEngineMinorVersion
Strings	concat, slice match, replace, search anchor, big, blink, bold, fixed, fontcolor, fontsize, italics, link, small, strike, sub, sup