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{sub-section:description|text=}{sub-section}\\ 

{table:id=|class=servoy sSummary}{colgroup}{column:padding=0px|width=80px}{column}{column}{column}{colgroup}{tr:style=height: 30px;}{th:colspan=2}Property Summary{th}{tr}{tbody}{tr}{td}[Function]{td}{td}[#constructor]
Specifies the function that creates an object's prototype.{td}{tr}{tbody}{tbody}{tr}{td}[Number]{td}{td}[#length]
Specifies the number of arguments expected by the function.{td}{tr}{tbody}{table}\\ 

{table:id=|class=servoy sSummary}{colgroup}{column:padding=0px|width=80px}{column}{column}{column}{colgroup}{tr:style=height: 30px;}{th:colspan=2}Method Summary{th}{tr}{tbody}{tr}{td}void{td}{td}[#apply]\()
Applies the method of another object in the context of a different object (the calling object); arguments can be passed as an Array object.{td}{tr}{tbody}{tbody}{tr}{td}void{td}{td}[#bind]\()
Creates a new function which, when called, itself calls this function in the context of the provided value, with a given sequence of arguments preceding any provided when the new function was called.{td}{tr}{tbody}{tbody}{tr}{td}void{td}{td}[#call]\()
Calls (executes) a method of another object in the context of a different object (the calling object); arguments can be passed as they are.{td}{tr}{tbody}{tbody}{tr}{td}[String]{td}{td}[#toString]\()
Returns a string representing the source code of the function.{td}{tr}{tbody}{table}\\ 

{table:id=property|class=servoy sDetail}{colgroup}{column:padding=0px|width=100%}{column}{colgroup}{tr:style=height: 30px;}{th:colspan=1}Property Details{th}{tr}{tbody:id=constructor|class=node}{tr:id=name}{td}
h6. constructor{td}{tr}{tr:id=des}{td}{sub-section:constructor_des|text=|trigger=button}{sub-section}{sub-section:constructor_des|trigger=none|class=sIndent}Specifies the function that creates an object's prototype.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:constructor_snc|text=|trigger=button}{sub-section}{sub-section:constructor_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:constructor_prs|text=|trigger=button}{sub-section}{sub-section:constructor_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:constructor_ret|text=|trigger=button}{sub-section}{sub-section:constructor_ret|trigger=none|class=sIndent}[Function]{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:constructor_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:constructor_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:constructor_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:constructor_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:constructor_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:constructor_sam|trigger=none}{code:language=javascript}
function Tree(name) {
	this.name = name;
}
theTree = new Tree("Redwood");
applicationconsole.outputlog("theTree.constructor is " + theTree.constructor);
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{tbody:id=length|class=node}{tr:id=name}{td}
h6. length{td}{tr}{tr:id=des}{td}{sub-section:length_des|text=|trigger=button}{sub-section}{sub-section:length_des|trigger=none|class=sIndent}Specifies the number of arguments expected by the function.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:length_snc|text=|trigger=button}{sub-section}{sub-section:length_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:length_prs|text=|trigger=button}{sub-section}{sub-section:length_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:length_ret|text=|trigger=button}{sub-section}{sub-section:length_ret|trigger=none|class=sIndent}[Number]{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:length_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:length_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:length_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:length_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:length_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:length_sam|trigger=none}{code:language=javascript}
function addNumbers(x, y){
	if (addNumbers.length == 2) {
		return (x + y);
	} else
		return 0;
}
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{table}\\ 

{table:id=function|class=servoy sDetail}{colgroup}{column:padding=0px|width=100%}{column}{colgroup}{tr:style=height: 30px;}{th:colspan=1}Method Details{th}{tr}{tbody:id=apply|class=node}{tr:id=name}{td}
h6. apply{td}{tr}{tr:id=sig}{td}{span:style=float: left; margin-right: 5px;}void{span}{span:id=iets|style=float: left; font-weight: bold;}apply{span}{span:id=iets|style=float: left;}\(){span}{td}{tr}{tr:id=des}{td}{sub-section:apply_des|text=|trigger=button}{sub-section}{sub-section:apply_des|trigger=none|class=sIndent}Applies the method of another object in the context of a different object (the calling object); arguments can be passed as an Array object.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:apply_snc|text=|trigger=button}{sub-section}{sub-section:apply_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:apply_prs|text=|trigger=button}{sub-section}{sub-section:apply_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:apply_ret|text=|trigger=button}{sub-section}{sub-section:apply_ret|trigger=none|class=sIndent}void{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:apply_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:apply_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:apply_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:apply_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:apply_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:apply_sam|trigger=none}{code:language=javascript}
function book(name, author) {
	this.name = name;
	this.author = author;
}

function book_with_topic(name, author, topic) {
	this.topic = topic;
	book.apply(this, arguments);
}
book_with_topic.prototype = new book();

var aBook = new book_with_topic("name","author","topic");
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{tbody:id=bind|class=node}{tr:id=name}{td}
h6. bind{td}{tr}{tr:id=sig}{td}{span:style=float: left; margin-right: 5px;}void{span}{span:id=iets|style=float: left; font-weight: bold;}bind{span}{span:id=iets|style=float: left;}\(){span}{td}{tr}{tr:id=des}{td}{sub-section:bind_des|text=|trigger=button}{sub-section}{sub-section:bind_des|trigger=none|class=sIndent}Creates a new function which, when called, itself calls this function in the context of the provided value, with a given sequence of arguments preceding any provided when the new function was called.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:bind_snc|text=|trigger=button}{sub-section}{sub-section:bind_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:bind_prs|text=|trigger=button}{sub-section}{sub-section:bind_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:bind_ret|text=|trigger=button}{sub-section}{sub-section:bind_ret|trigger=none|class=sIndent}void{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:bind_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:bind_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:bind_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:bind_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:bind_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:bind_sam|trigger=none}{code:language=javascript}
var x = 9, 
	module = {
		getX: function() { 
		     return this.x;
		},
		x: 81
	};
//  "module.getX()" called, "module" is "this", "module.x" is returned
module.getX(); // > 81
//  "getX()" called, "this" is global, "x" is returned
getX(); // > 9
//  store a reference with "module" bound as "this"
var boundGetX = getX.bind(module);
//  "boundGetX()" called, "module" is "this" again, "module.x" is returned
boundGetX(); // > 81
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{tbody:id=call|class=node}{tr:id=name}{td}
h6. call{td}{tr}{tr:id=sig}{td}{span:style=float: left; margin-right: 5px;}void{span}{span:id=iets|style=float: left; font-weight: bold;}call{span}{span:id=iets|style=float: left;}\(){span}{td}{tr}{tr:id=des}{td}{sub-section:call_des|text=|trigger=button}{sub-section}{sub-section:call_des|trigger=none|class=sIndent}Calls (executes) a method of another object in the context of a different object (the calling object); arguments can be passed as they are.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:call_snc|text=|trigger=button}{sub-section}{sub-section:call_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:call_prs|text=|trigger=button}{sub-section}{sub-section:call_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:call_ret|text=|trigger=button}{sub-section}{sub-section:call_ret|trigger=none|class=sIndent}void{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:call_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:call_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:call_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:call_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:call_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:call_sam|trigger=none}{code:language=javascript}
function book(name) {
	this.name = name;
}

function book_with_author(name, author) {
	this.author = author;
	book.call(this, name);
}
book_with_author.prototype = new book();

var aBook = new book_with_author("name","author");
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{tbody:id=toString|class=node}{tr:id=name}{td}
h6. toString{td}{tr}{tr:id=sig}{td}{span:style=float: left; margin-right: 5px;}[String]{span}{span:id=iets|style=float: left; font-weight: bold;}toString{span}{span:id=iets|style=float: left;}\(){span}{td}{tr}{tr:id=des}{td}{sub-section:toString_des|text=|trigger=button}{sub-section}{sub-section:toString_des|trigger=none|class=sIndent}Returns a string representing the source code of the function. Overrides the Object.toString method.{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=snc}{td}*Since*\\{sub-section:toString_snc|text=|trigger=button}{sub-section}{sub-section:toString_snc|trigger=none|class=sIndent} Replace with version info{sub-section}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=prs}{td}*Parameters*\\{sub-section:toString_prs|text=|trigger=button}{sub-section}{sub-section:toString_prs|trigger=none|class=sIndent}{sub-section}{td}{tr}{builder-show}{tr:id=ret}{td}{*}Returns*
\\ {sub-section:toString_ret|text=|trigger=button}{sub-section}{sub-section:toString_ret|trigger=none|class=sIndent}[String]{sub-section}{td}{tr}{builder-show:permission=edit}{tr:id=see}{td}*Also see*\\{sub-section:toString_see|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:toString_see|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{builder-show:permission=edit}{tr:id=link}{td}*External links*\\{sub-section:toString_link|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:toString_link|trigger=none}{sub-section}{div}{td}{tr}{builder-show}{tr:id=sam}{td}{*}Sample*
\\ {sub-section:toString_sam|text=|trigger=button}{sub-section}{div:class=sIndent}{sub-section:toString_sam|trigger=none}{code:language=javascript}
function printHello() {
		return "Hello";
}
application.output(printHello.toString());
{code}{sub-section}{div}{td}{tr}{tr:class=lastDetailRow}{td}{td}{tr}{tbody}{table}