Find all js events fired for given object

seeallevt.js

function seeAllEvt(myObj) {
  for(var key in myObj){
    if(key.search('on') === 0) {
      myObj.addEventListener(key.slice(2), function (e) {
        console.log(e.currentTarget + " " + e.type);
      });
    }
  }
}