October 2002
Intermediate to advanced
136 pages
2h 44m
English
Content preview from JavaScript Pocket Reference, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Name
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
lengthThe number of named arguments specified when the function was declared. See
Arguments.lengthfor the number of argument actually passed. JS 1.1; JScript 2.0; ECMA v1.prototypeAn 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 arrayargsas 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
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.