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.


const length = history.length


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

Browser compatibility

BCD tables only load in the browser

See also

  • The History interface it belongs to.