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

const length = history.length

Specifications

Specification Status Comment
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

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
lengthChrome Full support YesEdge Full support 12Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support
Full support

See also

  • The History interface it belongs to.