JavaScript - Window - The Browser Object Model Part 1: The window Object as the Global Object

The window object represents the browser window and serves as the global object for JavaScript in the browser.

Examples and Explanation

Accessing Global Variables

var name = "JavaScript";

console.log(window.name); // JavaScript

Explanation: Global variables and functions become properties and methods of the window object.

Accessing Browser-Specific Properties

console.log(window.innerWidth); // Current width of the browser window

console.log(window.innerHeight); // Current height of the browser window

Explanation: The window object provides information about the browser's dimensions.

Using the window Object Implicitly

alert("This is an alert box!"); // Equivalent to window.alert()

Explanation: Methods like alert() and console.log() are part of the window object.