Custom Event

customEvent

Event = (function(){

		try {
			var p = new CustomEvent('c', { detail: { foo: 'b' } });
			if('c' === p.type && 'b' === p.detail.foo)
				return CustomEvent;
		} catch (e) {
			return 'function' === typeof document.createEvent ? function(type, params) {
				var e = document.createEvent('CustomEvent');
				params = params || {};
				e.initCustomEvent(type, params.bubbles || false, params.cancelable || false, params.detail || null);
				return e;
			} :function(type, params) {
				var e = document.createEventObject();
				e.type = type;
				if (params) {
					e.bubbles = Boolean(params.bubbles);
					e.cancelable = Boolean(params.cancelable);
					e.detail = params.detail;
				} else {
					e.bubbles = false;
					e.cancelable = false;
					e.detail = void 0;
				}
				return e;
			};
		}

	})();