The " window " object is a built-in JavaScript object that represents the entire browser window. The window object contains various properties, methods, and objects that give you access to and control ...

JavaScript’s built-in objects include Object, JSON, console, String, Math, Date, and the window and global objects. These are some of the most important and useful parts of the JavaScript language.

In a new post on the Internet Explorer developer blog, Microsoft goes over some of the changes it has made to Internet Explorer 10 for Windows 8 in terms of improving JavaScript performance.