Version Information

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

Language Element 1.0 2.0 3.0 4.0 5.0 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

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          
Comparison Operators x          
compile Method     x      
concat Method (Array)     x      
concat Method (String)     x      
Conditional Compilation     x      
Conditional Compilation Variables     x      
Conditional (ternary) Operator (?:) x          
constructor Property   x        
continue Statement x          
cos Method x          
Data Type Conversion     x      
Date Object x          
decodeURI Method           x
decodeURIComponent           x
Decrement Operator ( — ) x          
delete Operator     x      
description Property         x  
dimensions Method     x      
Division Operator (/) x          
do...while Statement     x      
E Property x          
encodeURI Method           x
encodeURI Component           x
Enumerator Object     x      
Equality Operator (==) x          
Error Object         x  
escape Method x          
eval Method x          
exec Method     x      
exp Method x          
fixed Method x          
floor Method x          
fontcolor Method x          
fontsize Method x          
for Statement x          
for...in Statement         x  
fromCharCode Method     x      
Function Object   x        
function Statement x          
getDate Method x          
getDay Method x          
getFullYear Method     x      
getHours Method x          
getItem Method     x      
getMilliseconds Method     x      
getMinutes Method x          
getMonth Method x          
GetObject Function     x      
getSeconds Method x          
getTime Method x          
getTimezoneOffset Method x          
getUTCDate Method     x      
getUTCDay Method     x      
getUTCFullYear Method     x      
getUTCHours Method     x      
getUTCMilliseconds Method     x      
getUTCMinutes Method     x      
getUTCMonth Method     x      
getUTCSeconds Method     x      
getVarDate Method     x      
getYear Method x          
Global Object     x      
global Property           x
Greater than Operator (>) x          
Greater than or equal to Operator (>=) x          
hasOwnProperty Method           x
Identity Operator (===) x          
@if Statement     x      
if...else Statement x          
ignoreCase Property           x
Increment Operator (++) x          
index Property     x      
indexOf Method x          
Inequality Operator (!=) x          
Infinity Property     x      
input Property     x      
instanceof Operator         x  
isFinite Method     x      
isNaN Method x          
isPrototypeOf Method           x
italics Method x          
item Method     x      
join Method   x        
Labeled Statement     x      
lastIndex Property     x      
lastIndexOf Method x          
lastMatch Property           x
lastParen Property           x
lbound Method     x      
leftContext Property           x
length Property (Arguments)           x
length Property (Array)   x        
length Property (Function)   x        
length Property (String) x          
Less than Operator (<) x          
Less than or equal to Operator (<=) x          
link Method x          
LN2 Property x          
LN10 Property x          
localeCompare Method           x
log Method x          
LOG2E Property x          
LOG10E Property x          
Logical AND Operator (&&) x          
Logical NOT Operator (!) x          
Logical OR Operator (||) x          
match Method     x      
Math Object x          
max Method x          
MAX_VALUE Property   x        
message Property           x
min Method x          
MIN_VALUE Property   x        
Modulus Operator (%) x          
moveFirst Method     x      
moveNext Method     x      
multiline Property           x
Multiplication Operator (*) x          
name Property           x
NaN Property (Global)     x      
NaN Property (Number)   x        
NEGATIVE_INFINITY Property   x        
new Operator x          
Nonidentity Operator (!==) x          
Number Object   x        
number Property         x  
Object Object     x      
Operator Precedence x          
parse Method x          
parseFloat Method x          
parseInt Method x          
PI Property x          
pop Method           x
POSITIVE_INFINITY Property   x        
pow Method x          
prototype Property   x        
propertyIsEnumeramble Poperty           x
push Method           x
random Method x          
RegExp Object     x      
Regular Expression Object     x      
Regular Expression Syntax     x      
replace Method x          
return Statement x          
reverse Method   x        
rightContext Property           x
round Method x          
ScriptEngine Function   x        
ScriptEngineBuildVersion Function   x        
ScriptEngineMajorVersion Function   x        
ScriptEngineMinorVersion Function   x        
search Method     x      
@set Statement     x      
setDate Method x          
setFullYear Method     x      
setHours Method x          
setMilliseconds Method     x      
setMinutes Method x          
setMonth Method x          
setSeconds Method x          
setTime Method x          
setUTCDate Method     x      
setUTCFullYear Method     x      
setUTCHours Method     x      
setUTCMilliseconds Method     x      
setUTCMinutes Method     x      
setUTCMonth Method     x      
setUTCSeconds Method     x      
setYear Method x          
shift Method           x
sin Method x          
slice Method (Array)     x      
slice Method (String)     x      
small Method x          
sort Method   x        
source Property     x      
splice Method           x
split Method     x      
sqrt Method x          
SQRT1_2 Property x          
SQRT2 Property x          
strike Method x          
String Object x          
sub Method x          
substr Method     x      
substring Method x          
Subtraction Operator (-) x          
sup Method x          
switch Statement     x      
tan Method x          
test Method     x      
this Statement x          
throw Statement         x  
toArray Method     x      
toDateString Method           x
toExponential Method           x
toFixed Method           x
toGMTString Method x          
toLocaleDateString Method           x
toLocaleLowercase Method           x
toLocaleString Method x          
toLocaleTimeString Method           x
toLocaleUppercase Method           x
toLowerCase Method x          
toPrecision Method           x
toString Method   x        
toTimeString Method           x
toUpperCase Method x          
toUTCString Method     x      
try Statement         x  
typeof Operator x          
ubound Method     x      
Unary Negation Operator (-) x          
undefined Property           x
unescape Method x          
unshift Method           x
Unsigned Right Shift Operator (>>>) x          
UTC Method x          
valueOf Method   x        
var Statement x          
VBArray Object     x      
void Operator   x        
while Statement x          
with Statement x