JScript Methods (Windows Scripting - JScript)

 

The following table lists JScript Methods.

Note

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

Methods

Description	Language Element
Returns the absolute value of a number.	abs Method
Returns the arccosine of a number.	acos Method
Places an HTML anchor with a NAME attribute around specified text in the object.	anchor Method
Applies a method of an object, substituting another object for the current object.	apply Method
Returns the arcsine of a number.	asin Method
Returns the arctangent of a number.	atan Method
Returns the angle (in radians) from the X axis to a point (y,x).	atan2 Method
Returns a Boolean value indicating if the enumerator is at the end of the collection.	atEnd Method
Places HTML <BIG> tags around text in a String object.	big Method
Places HTML <BLINK> tags around text in a String object.	blink Method
Places HTML <B> tags around text in a String object.	bold Method
Calls a method of an object, substituting another object for the current object.	call Method
Returns the smallest integer greater than or equal to its numeric argument.	ceil Method
Returns the character at the specified index.	charAt Method
Returns the Unicode encoding of the specified character.	charCodeAt Method
Compiles a regular expression into an internal format.	compile Method
Returns a new array consisting of a combination of two arrays.	concat Method (Array)
Returns a String object containing the concatenation of two supplied strings.	concat Method (String)
Returns the cosine of a number.	cos Method
Returns the unencoded version of an encoded Uniform Resource Identifier.	decodeURI Method
Returns the unencoded version of an encoded component of a Uniform Resource Identifier.	decodeURIComponent Method
Adds a property to an existing Document Object Model (DOM) object.	defineProperty Method
Returns the number of dimensions in a VBArray.	dimensions Method
Encodes a text string as a valid Uniform Resource Identifier.	encodeURI Method
Encodes a text string as a valid component of a Uniform Resource Identifier.	encodeURIComponent Method
Encodes String objects so they can be read on all computers.	escape Method
Evaluates JScript code and executes it.	eval Method
Executes a search for a match in a specified string.	exec Method
Returns e (the base of natural logarithms) raised to a power.	exp Method
Places HTML <TT> tags around text in a String object.	fixed Method
Returns the greatest integer less than or equal to its numeric argument.	floor Method
Places an HTML <FONT> tag with the COLOR attribute around the text in a String object.	fontcolor Method
Places an HTML <FONT> tag with the SIZE attribute around the text in a String object.	fontsize Method
Returns a string from a number of Unicode character values.	fromCharCode Method
Returns the day of the month value in a Date object using local time.	getDate Method
Returns the day of the week value in a Date object using local time.	getDay Method
Returns the year value in the Date object using local time.	getFullYear Method
Returns the hours value in a Date object using local time.	getHours Method
Returns the item at the specified location.	getItem Method
Returns the milliseconds value in a Date object using local time.	getMilliseconds Method
Returns the minutes value stored in a Date object using local time.	getMinutes Method
Returns the month value in the Date object using local time.	getMonth Method
Returns the property definition of a DOM property.	getOwnPropertyDescriptor Method
Returns seconds value stored in a Date object using local time.	getSeconds Method
Returns the time value in a Date object.	getTime Method
Returns the difference in minutes between the time on the host computer and Universal Coordinated Time (UTC).	getTimezoneOffset Method
Returns the date value in a Date object using Universal Coordinated Time (UTC).	getUTCDate Method
Returns the day of the week value in a Date object using Universal Coordinated Time (UTC).	getUTCDay Method
Returns the year value in a Date object using Universal Coordinated Time (UTC).	getUTCFullYear Method
Returns the hours value in a Date object using Universal Coordinated Time (UTC).	getUTCHours Method
Returns the milliseconds value in a Date object using Universal Coordinated Time (UTC).	getUTCMilliseconds Method
Returns the minutes value in a Date object using Universal Coordinated Time (UTC).	getUTCMinutes Method
Returns the month value in a Date object using Universal Coordinated Time (UTC).	getUTCMonth Method
Returns the seconds value in a Date object using Universal Coordinated Time (UTC).	getUTCSeconds Method
Returns the VT_DATE value in a Date object.	getVarDate Method
Returns the year value in a Date object.	getYear Method
Returns a Boolean value indicating whether an object has a property with the specified name.	hasOwnProperty Method
Returns the character position where the first occurrence of a substring occurs within a String object.	indexOf Method
Returns a Boolean value that indicates if a supplied number is finite.	isFinite Method
Returns a Boolean value that indicates whether a value is the reserved value NaN (not a number).	isNaN Method
Returns a Boolean value indicating whether an object exists in another object's prototype chain.	isPrototypeOf Method
Places HTML <I> tags around text in a String object.	italics Method
Returns the current item in the collection.	item Method
Returns a String object consisting of all the elements of an array concatenated together.	join Method
Returns the last occurrence of a substring within a String object.	lastIndexOf Method
Returns the lowest index value used in the specified dimension of a VBArray.	lbound Method
Places an HTML anchor with an HREF attribute around the text in a String object.	link Method
Returns a value indicating whether two strings are equivalent in the current locale.	localeCompare Method
Returns the natural logarithm of a number.	log Method
Returns, as an array, the results of a search on a string using a supplied Regular Expression object.	match Method
Returns the greater of two supplied numeric expressions.	max Method
Returns the lesser of two supplied numbers.	min Method
Resets the current item in the collection to the first item.	moveFirst Method
Moves the current item to the next item in the collection.	moveNext Method
Parses a string containing a date, and returns the number of milliseconds between that date and midnight, January 1, 1970.	Date.parse Method
De-serializes JSON text to produce an in-memory object or array.	JSON.parse Method
Returns a floating-point number converted from a string.	parseFloat Method
Returns an integer converted from a string.	parseInt Method
Removes the last element from an array and returns it.	pop Method
Returns the value of a base expression raised to a specified power.	pow Method
Appends new elements to an array, and returns the new length of the array.	push Method
Returns a pseudorandom number between 0 and 1.	random Method
Returns a copy of a string with text replaced using a regular expression.	replace Method
Returns an Array object with the elements reversed.	reverse Method
Returns a specified numeric expression rounded to the nearest integer.	round Method
Returns the position of the first substring match in a regular expression search.	search Method
Sets the numeric date of the Date object using local time.	setDate Method
Sets the year value in the Date object using local time.	setFullYear Method
Sets the hour value in the Date object using local time.	setHours Method
Sets the milliseconds value in the Date object using local time.	setMilliseconds Method
Sets the minutes value in the Date object using local time.	setMinutes Method
Sets the month value in the Date object using local time.	setMonth Method
Sets the seconds value in the Date object using local time.	setSeconds Method
Sets the date and time value in the Date object.	setTime Method
Sets the numeric date in the Date object using Universal Coordinated Time (UTC).	setUTCDate Method
Sets the year value in the Date object using Universal Coordinated Time (UTC).	setUTCFullYear Method
Sets the hours value in the Date object using Universal Coordinated Time (UTC).	setUTCHours Method
Sets the milliseconds value in the Date object using Universal Coordinated Time (UTC).	setUTCMilliseconds Method
Sets the minutes value in the Date object using Universal Coordinated Time (UTC).	setUTCMinutes Method
Sets the month value in the Date object using Universal Coordinated Time (UTC).	setUTCMonth Method
Sets the seconds value in the Date object using Universal Coordinated Time (UTC).	setUTCSeconds Method
Sets the year value in the Date object.	setYear Method
Removes the first element from an array and returns it.	shift Method
Returns the sine of a number.	sin Method
Returns a section of an array.	slice Method (Array)
Returns a section of a string.	slice Method (String)
Places HTML <SMALL> tags around text in a String object.	small Method
Returns an Array object with the elements sorted.	sort Method
Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.	splice Method
Returns the array of strings that results when a string is separated into substrings.	split Method
Returns the square root of a number.	sqrt Method
Places HTML <STRIKE> tags around text in a String object.	strike Method
Serializes an object or array into JavaScript Object Notation (JSON) text.	JSON.stringify Method
Places HTML <SUB> tags around text in a String object.	sub Method
Returns a substring beginning at a specified location and having a specified length.	substr Method
Returns the substring at a specified location within a String object.	substring Method
Places HTML <SUP> tags around text in a String object.	sup Method
Returns the tangent of a number.	tan Method
Returns a Boolean value that indicates whether or not a pattern exists in a searched string.	test Method
Returns a standard JScript array converted from a VBArray.	toArray Method
Returns a date as a string value.	toDateString Method
Returns a string containing a number represented in exponential notation.	toExponential Method
Returns a string representing a number in fixed-point notation.	toFixed Method
Returns a date converted to a string using Greenwich Mean Time (GMT).	toGMTString Method
Used to transform data of an object type before the JSON serialization.	toJSON Method
Returns a date as a string value appropriate to the host environment's current locale.	toLocaleDateString Method
Returns a string where all alphabetic characters have been converted to lowercase, taking into account the host environment's current locale.	toLocaleLowerCase Method
Returns a date converted to a string using the current locale.	toLocaleString Method
Returns a time as a string value appropriate to the host environment's current locale.	toLocaleTimeString Method
Returns a string where all alphabetic characters have been converted to uppercase, taking into account the host environment's current locale.	toLocaleUpperCase Method
Returns a string where all alphabetic characters have been converted to lowercase.	toLowerCase Method
Returns a string containing a number represented either in exponential or fixed-point notation with a specified number of digits.	toPrecision Method
Returns a string representation of an object.	toString Method
Returns a time as a string value.	toTimeString Method
Returns a string where all alphabetic characters have been converted to uppercase.	toUpperCase Method
Returns a date converted to a string using Universal Coordinated Time (UTC).	toUTCString Method
Returns the highest index value used in the specified dimension of the VBArray.	ubound Method
Decodes String objects encoded with the escape method.	unescape Method
Inserts new elements at the start of an array.	unshift Method
Returns the number of milliseconds between midnight, January 1, 1970 Universal Coordinated Time (UTC) (or GMT) and the supplied date.	UTC Method
Returns the primitive value of the specified object.	valueOf Method
Sends strings to the script debugger.	write Method
Sends strings to the script debugger, followed with a newline character.	writeln Method

Change History

Date	History	Reason
March 2009	Added defineProperty and getOwnPropertyDescriptor methods.	Information enhancement.
March 2009	Added JSON prefix to parse and stringify methods.	Content bug fix.
March 2009	Modified description of unshift method.	Content bug fix.
August 2008	Added JSON information.	Information enhancement.