string-object-manipulation-1

 function concatString(arguments){
 	return Array.prototype
 		.slice
 		.call(arguments,1)
 		.join(',');
}

function yourFunctionRunner(functions){
	var func = Array.prototype.slice.call(arguments,1).join(',');

	return func
		.map(function call(func){return call(func);});		//not sure about this return func
		.join('');
}

function makeAdder(base){
	return function(num){
		return base + num;
	};
}

function once(fn){
	var status = false;

	return once(status){
		if(status === false){
			fn();
			status = true;
		}
	};
}


function createObjectWithClosures(){
	var sum = 0;

	return {
		oneIncrementer: function one(){ sum +=1;},
		tensIncrementer: function two(){ sum += 10;},
		getValue: function getVal(){ return sum;},
		setValue: function setVal(value){ return sum + value;}
	};
}

function guestListFns(guestArray, secretCode){
	var finalGuests =[];

	var checker = function checker(guest, sum){
		return function checker(sum){
			if(sum === secretCode){
				return '"' + guest + '"';
			}else{
				return 'Secret-Code: Invalid';
			}
		};
	};

	for(var i = 0; i < guestArray.length; i += 1){
		function cloGuest(){
			return checker(guest,sum);
		})
		cloGuest(guestArray[i]);
	}
	}
	return finalGuests;
}


function generateGuestLists(guestListFns, secretCode){
	return guestListFns.map(function checkNames(checker, secretCode){ return checker(secretCode);};
}