function on(element) {
	  var events = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
	  var callback = arguments.length > 2 ? arguments[2] : undefined;
	  var passive = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
	  var capture = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
	  toggleListener.call(this, element, events, callback, true, passive, capture);
	}
function on(element) {
	  var events = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
	  var callback = arguments.length > 2 ? arguments[2] : undefined;
	  var passive = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
	  var capture = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
	  toggleListener.call(this, element, events, callback, true, passive, capture);
	}
function on ( element ) { var events = arguments . length > 1 && arguments [ 1 ] !== undefined ? arguments [ 1 ] : '' ; var callback = arguments . length > 2 ? arguments [ 2 ] : undefined ; var passive = arguments . length > 3 && arguments [ 3 ] !== undefined ? arguments [ 3 ] : true ; var capture = arguments . length > 4 && arguments [ 4 ] !== undefined ? arguments [ 4 ] : false ; toggleListener . call ( this , element , events , callback , true , passive , capture ) ; }
Bind event handler
Bind event handler