Waits multiple ajax calls response

MyRequestsCompleted.js

	var MyRequestsCompleted = (function() {
	    var numRequestToComplete, requestsCompleted, callBacks, singleCallBack;

	    return function(options) {
	        if (!options) options = {};

	        numRequestToComplete = options.numRequest || 0;
	        requestsCompleted = options.requestsCompleted || 0;
	        callBacks = [];
	        var fireCallbacks = function() {
	            for (var i = 0; i < callBacks.length; i++) callBacks[i]();
	        };
	        if (options.singleCallback) callBacks.push(options.singleCallback);

	        this.addCallbackToQueue = function(isComplete, callback) {
	            if (isComplete) requestsCompleted++;
	            if (callback) callBacks.push(callback);
	            if (requestsCompleted == numRequestToComplete) fireCallbacks();
	        };
	        this.requestComplete = function(isComplete) {
	            if (isComplete) requestsCompleted++;
	            if (requestsCompleted == numRequestToComplete) fireCallbacks();
	        };
	        this.setCallback = function(callback) {
	            callBacks.push(callBack);
	        };
	    };
	})();
	
	// Usage
	var requestCallback = new MyRequestsCompleted({
    numRequest: 10, // number of requests
    singleCallback: function(){
  		// All fired
    }
});

// After response of each ajax in a loop
requestCallback.requestComplete(true);