History: length property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The length read-only property of the History interface returns an integer representing the number of entries in the session history, including the currently loaded page.

For example, for a page loaded in a new tab this property returns 1.

Value

A number.

Specifications

Specification
HTML
# dom-history-length-dev

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
length

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also

  • The History interface it belongs to.