How to stop event propagation with inline onclick attribute?

Question

Consider the following:

Answer 1

Why not just check which element was clicked? If you click on something, window.event.target is assigned to the element which was clicked, and the clicked element can also be passed as an argument.

If the target and element aren't equal, it was an event that propagated up.

function myfunc(el){
  if (window.event.target === el){
      // perform action
  }
}