Detach event:
Usage: <HTMLElement>.off(name <String>, callback <Function>)
Note: This test attaches a click event to the button, and then removes it when it has been clicked. This is functionally equivalent to using .once() instead.
Usage: <HTMLElement>.off(name <String>, callback <Function>)
Note: This test attaches a click event to the button, and then removes it when it has been clicked. This is functionally equivalent to using .once() instead.