JavaScript LoopQueue

function Queue() {

var items = [];

this.enqueue = function(element) {

items.push(element)

}

this.dequeue = function(element) {

return items.shift()

}

this.front = function() {

return items[0]

}

this.isEmpty = function() {

return items.length == 0

}

this.size = function() {

return items.length

}

this.printf = function() {

console.log(items.toString())

}

this.print = function() {

console.log(items.toString())

}

}

function hotPotato(nameList, num) {

var queue = new Queue();

for (var i = 0; i < nameList.length; i++) {

queue.enqueue(nameList[i])

}

var eliminated = '';

while (queue.size() > 1) {

for (var i = 0; i < num; i++) {

queue.enqueue(queue.dequeue())

}

eliminated = queue.dequeue();

console.log(eliminated+ '  go ') 

}

return queue.dequeue()

}

var names = ['shidengyun','zhujing','shidengxia'];

var winner = hotPotato(names, 7);

console.log('winner  ' + winner);