JSCRIPT reserved word

js|jscript| reserved word

Jscript has some reserved words that cannot be used in identifiers. Reserved words have special meanings for Jscript languages, and they are part of the language syntax. Using reserved words will produce a compilation error when loading the script.

Jscript also has some reserved words for future use. These words are not part of the current Jscript language, but they are reserved for future use.

Reserved words

Break	Delete	function	Return	typeof
Case	Todo	If	Switch	Var
Catch	Else	In	This	void
Continue	False	instanceof	Throw	While
Debugger	Finally	New	True	With
Default	For	Null	Try

Words reserved for the future

Abstract	Double	Goto	Native	Static
Boolean	Enum	Implements	Package	Super
Byte	Export	Import	Private	Synchronized
Char	Extends	Int	Protected	Throws
Class	Final	Interface	Public	Transient
Const	Float	Long	Short	Volatile

Avoid using words that have already been used in an internal Jscript object or function, such as String or parseint, when you select an identifier.