DiagnosticsElementEventHelper object

An object to access methods and events related to a DOM element.

Note  These APIs can only be used with F12 developer tools and the Diagnostics Script Engine, and can't be called from JavaScript.

 

 

Syntax

var oElementEventHelper = dom.getElementEventHelper(element);

DOM Information

Inheritance Hierarchy

The DiagnosticsElementEventHelper does not inherit from any class or interface.

Members

The DiagnosticsElementEventHelper object has these types of members:

  • Methods

Methods

The DiagnosticsElementEventHelper object has these methods.

Method Description
addEventListener

Registers an event listener of the given type to the object.

getEventHandlers

Returns an array of DiagnosticsElementEventListeners.

removeEventListener

Unregisters a previously registered event listener of the given type.

 

Remarks

When event helpers are created on a body element (and only on a body element), the event helpers will not show certain events which JavaScript places on Window if they are added to the body. Here is a list of the affected event types:

  • onload
  • onunload
  • onresize
  • onscroll
  • onbeforeunload
  • onhelp
  • onblur
  • onfocus
  • onbeforeprint
  • onafterprint
  • onhaschange
  • popstate
  • onpageshow
  • onpagehide
  • orientationchange