Version Information

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

Language Element	Version First Introduced
	1.0	2.0	3.0	4.0	5.0
$1...$9 Properties			X
abs Method	X
acos Method	X
ActiveXObject Object			X
Addition Operator (+)	X
anchor 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
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 (trinary) Operator (?:)	X
constructor Property		X
continue Statement	X
cos Method	X
Data Type Conversion			X
Date Object	X
Decrement Operator (--)	X
delete Operator			X
description Property					X
dimensions Method			X
Division Operator (/)	X
do...while Statement			X
E Property	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
Greater than Operator (>)	X
Greater than or equal to Operator (>=)	X
Identity Operator (===)	X
@if Statement			X
if...else Statement	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
italics Method	X
item Method			X
join Method		X
Labeled Statement			X
lastIndex Property			X
lastIndexOf Method	X
lbound Method			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
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
min Method	X
MIN_VALUE Property		X
Modulus Operator (%)	X
moveFirst Method			X
moveNext Method			X
Multiplication Operator (*)	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
POSITIVE_INFINITY Property		X
pow Method	X
prototype Property		X
random Method	X
RegExp Object			X
Regular Expression Object			X
Regular Expression Syntax			X
replace Method	X
return Statement	X
reverse Method		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
sin Method	X
slice Method (Array)			X
slice Method (String)			X
small Method	X
sort Method		X
source Property			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
toGMTString Method	X
toLocaleString Method	X
toLowerCase Method	X
toString Method		X
toUpperCase Method	X
toUTCString Method			X
try Statement					X
typeof Operator	X
ubound Method			X
Unary Negation Operator (-)	X
unescape 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

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