Function

 The Function class wraps a built-in or JavaScript function.

QuickLinks

Function, apply, call, toSource, toString

Properties

Property	Type	Access	Description
arguments	Object	r/w	The function arguments, packed into an array. This property is deprecated; use the arguments property within the function body.
arity	number	readonly	The number of formal arguments. This property is deprecated; use the length property instead.
length	number	readonly	The number of formal arguments.
name	string	readonly	The function name.

Methods

Function Function (arguments:string, body:string)

Parameter	Type	Description
arguments	string	The list of formal arguments, separated by commas.
body	string	The body of the function to create.

any apply (thisObj:Object, args:Array)
Apply a this object and an argument list to a function.

Parameter	Type	Description
thisObj	Object
args	Array	An array of arguments.

any call (thisObj:Object, argument:any)
Apply a this object and arguments to a function.

Parameter	Type	Description
thisObj	Object
argument	any

string toSource ()
Creates a string representation of this object that can be fed back to eval() to re-create an object. Works only with JavaScript functions.

string toString ()
Returns the function definition as a string.

Element of

Object.constructor

Used in

Array.sort (userFunction:Function)

Object.watch (name:string, func:Function)

Return

Function Function.Function (arguments:string, body:string)

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