1// events and args should be of type Array
2function addMultipleListeners(element,events,handler,useCapture,args){
3  if (!(events instanceof Array)){
4    throw 'addMultipleListeners: '+
5          'please supply an array of eventstrings '+
6          '(like ["click","mouseover"])';
7  }
8  //create a wrapper to be able to use additional arguments
9  var handlerFn = function(e){
10    handler.apply(this, args && args instanceof Array ? args : []);
11  }
12  for (var i=0;i<events.length;i+=1){
13    element.addEventListener(events[i],handlerFn,useCapture);
14  }
15}
16
17function handler(e) {
18  // do things
19};
20
21// usage
22addMultipleListeners(
23    document.getElementById('first'),
24    ['touchstart','click'],
25    handler,
26    false);

1const invokeMe = () => console.log('I live here outside the scope');
2const alsoInvokeMe = () => console.log('I also live outside the scope'); 
3
4element.addEventListener('event',() => {    
5     invokeMe();
6     alsoInvokeMe();    
7});
8