removeEventListener method
Unregisters a previously registered event listener of the given type.
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.*removeEventListener(eventType, callback)
Parameters
eventType [in]
Type: DOMStringcallback [in]
Type: Function
Return value
This method does not return a value.
Remarks
The callback must be the same as the one used in registration. This means the function must be named, not inlined.