title: Iterate getEventListeners() return object
body: <p>I am searching for a way to iterate the object <code>getEventListeners(obj)</code> returns.
  This way, I wouldn't need specific code to iterate event listener types, or to check if they exist on the checked element.</p>
  <p>My goal is to remove some event listeners from an element. For example remove all mouse related ones, and keep the others.</p>