Non blocking event listener for jQuery

jquery.asyncOn

/*
* usage: exactly like like jQuery's `on`
* $("#xyz").on("click", function(){ ... }); => $("#xyz").asyncOn("click", function(){ ... });
* $("#xyz").one("click", function(){ ... }); => $("#xyz").asyncOne("click", function(){ ... });
*/

$.fn.extend({
	asyncOn : function(types, selector, data, fn, one){
		/*based on https://github.com/jquery/jquery/blob/361a0d5150a1c57b1857611cde1b05bd0ef21a50/src/event.js*/
		var type, origFn;

		// Types can be a map of types/handlers
		if ( typeof types === "object" ) {
			// ( types-Object, selector, data )
			if ( typeof selector !== "string" ) {
				// ( types-Object, data )
				data = data || selector;
				selector = undefined;
			}
			for ( type in types ) {
				this.on( type, selector, data, types[ type ], one );
			}
			return this;
		}

		if ( data == null && fn == null ) {
			// ( types, fn )
			fn = selector;
			data = selector = undefined;
		} else if ( fn == null ) {
			if ( typeof selector === "string" ) {
				// ( types, selector, fn )
				fn = data;
				data = undefined;
			} else {
				// ( types, data, fn )
				fn = data;
				data = selector;
				selector = undefined;
			}
		}
		if ( fn === false ) {
			fn = returnFalse;
		} else if ( !fn ) {
			return this;
		}

		if ( one === 1 ) {
			origFn = fn;
			fn = function( event ) {
				// Can use an empty set, since event contains the info
				jQuery().off( event );
				return origFn.apply( this, arguments );
			};
			// Use same guid so caller can remove using origFn
			fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
		}
		return this.each( function() {
			//This is the only change - wrap fn in a setTimeout
			jQuery.event.add( this, types, function(){
				var args = $.makeArray(arguments);
				setTimeout(function(){
					fn.apply(this, args);
				});
			}, data, selector );
		});
	},
	asyncOne : function(types, selector, data, fn){
		return this.asyncOn( types, selector, data, fn, 1 );
	}
});