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 Standard
# dom-history-length-dev

Browser compatibility

BCD tables only load in the browser

See also

  • The History interface it belongs to.