History.length

The History.length read-only property returns an Integer representing the number of elements in the session history, including the currently loaded page. For example, for a page loaded in a new tab this property returns 1.

Syntax

JavaScript
length = history.length;

Examples

JavaScript
var result = window.history.length; // Returns the size of the history of the current session.

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'History.length' in that specification.
Living Standard No change from HTML5.
HTML5
The definition of 'History.length' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit) Mozilla Servo
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) implemented
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)

See also

  • The History interface it belongs to.

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/history/length

API History API HTML Property Read-only Reference Référence