JScript Properties (Windows Scripting - JScript)

 

The following table lists JScript properties.

Note

These topics include information about JScript 5.8 and earlier. For current JavaScript language features, see JavaScript for Internet Explorer.

Properties

Description	Language Element
Returns the value of individual arguments from an arguments object.	0...n Properties
Returns the nine most-recently memorized portions found during pattern matching.	$1...$9 Properties
Returns an array containing each argument passed to the currently executing function.	arguments Property
Returns the Function object being executed.	callee Property
Returns a reference to the function that invoked the current function.	caller Property
Specifies the function that creates an object.	constructor Property
Returns or sets the descriptive string associated with a specific error.	description Property
Returns Euler's number, the base of natural logarithms.	E Property
Returns a Boolean value indicating the state of the global flag (g) used with a regular expression.	global Property
Returns a Boolean value indicating the state of the ignoreCase flag (i) used with a regular expression.	ignoreCase Property
Returns the character position where the first successful match begins in a searched string.	index Property
Returns an initial value of Number.POSITIVE_INFINITY.	Infinity Property
Returns the string against which a search was performed.	input Property
Returns the character position where the last successful match begins in a searched string.	lastIndex Property
Returns the last matched characters from any regular expression search.	lastMatch Property
Returns the last parenthesized submatch from any regular expression search, if any.	lastParen Property
Returns the characters from the beginning of a searched string up to the position before the beginning of the last match.	leftContext Property
Returns the actual number of arguments passed to a function by the caller.	length Property (arguments)
Returns an integer value one higher than the highest element defined in an array.	length Property (Array)
Returns the number of arguments defined for a function.	length Property (Function)
Returns the length of a String object.	length Property (String)
Returns the natural logarithm of 2.	LN2 Property
Returns the natural logarithm of 10.	LN10 Property
Returns the base-2 logarithm of e, Euler's number.	LOG2E Property
Returns the base-10 logarithm of e, Euler's number.	LOG10E Property
Returns the largest number that can be represented in JScript.	MAX_VALUE Property
Returns an error message string.	message Property
Returns the number closest to zero that can be represented in JScript.	MIN_VALUE Property
Returns a Boolean value indicating the state of the multiline flag (m) used with a regular expression.	multiline Property
Returns the name of an error.	name Property
Returns the special value NaN indicating that an expression is not a number.	NaN Property (Global)
Returns the special value (NaN) indicating that an expression is not a number.	NaN Property (Number)
Returns a value more negative than the largest negative number (-Number.MAX_VALUE) that can be represented in JScript.	NEGATIVE_INFINITY Property
Returns or sets the numeric value associated with a specific error.	number Property
Returns the ratio of the circumference of a circle to its diameter, approximately 3.141592653589793.	PI Property
Returns a value larger than the largest number (Number.MAX_VALUE) that can be represented in JScript.	POSITIVE_INFINITY Property
Returns a Boolean value indicating whether a specified property is part of an object and if it is enumerable.	propertyIsEnumerable Property
Returns a reference to the prototype for a class of objects.	prototype Property
Returns the characters from the position following the last match to the end of the searched string.	rightContext Property
Returns a copy of the text of the regular expression pattern.	source Property
Returns the square root of 0.5, or one divided by the square root of 2.	SQRT1_2 Property
Returns the square root of 2.	SQRT2 Property
Returns an initial value of undefined.	undefined Property

See Also

JScript Methods (Windows Scripting - JScript)