Function batchRemove

libs/leaflet/leaflet-src.js:2778–2785

(obj, filterFn)

  }

  function batchRemove(obj, filterFn) {
  	for (var id in obj[eventsKey]) {
  		var type = id.split(/\d/)[0];
  		if (!filterFn || filterFn(type)) {
  			removeOne(obj, type, null, null, id);
  		}
  	}
  }

  var mouseSubst = {
  	mouseenter: 'mouseover',