addEventListener method
Registers an event listener of the given type to the object.
Note These APIs can only be used with F12 developer tools and the Diagnostics Script Engine, and can't be called from JavaScript.
Syntax
*object.*addEventListener(eventType, callback)
Parameters
eventType [in]
Type: DOMStringcallback [in]
Type: Function
Return value
This method does not return a value.
Remarks
Callbacks are called in order of registration.