Quirks Mode, IE7 Mode, IE8 Mode, IE9 Mode, IE10 Mode, and IE11 Mode (All Versions)

onhelp of type Function

Occurs when the user presses the F1 key while the browser is the active window.

To invoke, press the F1 key.

  • Bubbles: Yes

  • Cancelable: Yes

  • Context Info: srcElement

This attribute is an extension to HTMLElement.