Function

Function Core JavaScript 1.0; JScript 1.0; ECMA v1 a JavaScript function Constructor new Function(argument_names..., body) This constructor was introduced in JavaScript 1.1, and has been obsoleted by the function literal syntax of JavaScript 1.2. Properties length The number of named arguments specified when the function was declared. See Arguments.length for the number of argument actually passed. JS 1.1; JScript 2.0; ECMA v1. prototype An object which, for a constructor function, defines properties and methods shared by all objects created with that constructor function. JS 1.1; JScript 2.0; ECMA v1. Methods apply( thisobj, args) Invokes the function as a method of thisobj, passing the elements of the array args as arguments to the function. Returns whatever value is returned by the invocation of the function. JS 1.2; JScript 5.5; ECMA v3. call( thisobj, args...) Invokes the function as a method of thisobj, using any subsequent arguments as arguments to the function. Returns the value that is returned by the invocation of the function. JS 1.5; JScript 5.5; ECMA v3. toString( ) Returns a string representation of the function. In some implementations, this is the actual source code of the function. JS 1.0; JScript 2.0; ECMA v1. See Also Arguments