Version Information

Welcome to the JScript Language

The following table lists the version of Microsoft JScript implemented by host applications.

Host Application	1.0	2.0	3.0	4.0	5.0	5.1	5.5
Microsoft Internet Explorer 3.0	x	.	.	.	.	.	.
Microsoft Internet Information Server 1.0	.	x	.	.	.	.	.
Microsoft Internet Explorer 4.0	.	.	x	.	.	.	.
Microsoft Internet Information Server 4.0	.	.	x	.	.	.	.
Microsoft Windows Scripting Host 1.0	.	.	x	.	.	.	.
Microsoft Visual Studio 6.0	.	.	.	x	.	.	.
Microsoft Internet Explorer 5.0	.	.	.	.	x	.	.
Microsoft Internet Information Services 5.0	.	.	.	.	.	x	.
Microsoft Windows 2000	.	.	.	.	.	x	.
Microsoft Internet Explorer 5.5	.	.	.	.	.	.	x

The following table lists JScript language features and the version when first introduced.

Language Element	1.0	2.0	3.0	4.0	5.0	5.5
0...n Property	.	.	.	.	.	x
$1...$9 Properties	.	.	x	.	.	.
abs Method	x	.	.	.	.	.
acos Method	x	.	.	.	.	.
ActiveXObject Object	.	.	x	.	.	.
Addition Operator (+)	x	.	.	.	.	.
anchor Method	x	.	.	.	.	.
apply method	.	.	.	.	.	x
arguments Property	.	x	.	.	.	.
Array Object	.	x	.	.	.	.
asin Method	x	.	.	.	.	.
Assignment Operator (=)	x	.	.	.	.	.
atan Method	x	.	.	.	.	.
atan2 Method	x	.	.	.	.	.
atEnd Method	.	.	x	.	.	.
big Method	x	.	.	.	.	.
Bitwise AND Operator (&)	x	.	.	.	.	.
Bitwise Left Shift Operator (<<)	x	.	.	.	.	.
Bitwise NOT Operator (~)	x	.	.	.	.	.
Bitwise OR Operator (\|)	x	.	.	.	.	.
Bitwise Right Shift Operator (>>)	x	.	.	.	.	.
Bitwise XOR Operator (^)	x	.	.	.	.	.
blink Method	x	.	.	.	.	.
bold Method	x	.	.	.	.	.
Boolean Object	.	x	.	.	.	.
break Statement	x	.	.	.	.	.
call method	.	.	.	.	.	x
callee Property	.	.	.	.	.	x
caller Property	.	x	.	.	.	.
catch Statement	.	.	.	.	x	.
@cc_on Statement	.	.	x	.	.	.
ceil Method	x	.	.	.	.	.
charAt Method	x	.	.	.	.	.
charCodeAt Method	.	.	.	.	.	x
Comma Operator (,)	x	.	.	.	.	.
// (Single-line Comment Statement)	x	.	.	.	.	.
/../ (Multiline Comment Statement)	x	.	.	.	.	.

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