dist/jml-polyglot.js
function _addEvent(el, type, handler, capturing) {
  el.addEventListener(type, handler, !!capturing);
}
function _addEvent(el, type, handler, capturing) {
  el.addEventListener(type, handler, !!capturing);
}
function _addEvent ( el , type , handler , capturing ) { el . addEventListener ( type , handler , ! ! capturing ) ; }
Attach event in a cross-browser fashion
@static
@param {DOMElement} el DOM element to which to attach the event
@param {String} type The DOM event (without 'on') to attach to the element
@param {Function} handler The event handler to attach to the element
@param {Boolean} [capturing] Whether or not the event should be
capturing (W3C-browsers only); default is false; NOT IN USE
Attach event in a cross - browser fashion