<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
   
    <script>

        // 队列  先进先出
        class Queue {

            #items = {}
            #lowCount = 0
            #count = 0

            // 出队
            dequeue(){ 
                if(this.isEmpty())  return undefined
                let res = this.#items[this.#lowCount]
                delete this.#items[this.#lowCount]
                this.#lowCount++ 
                return res 
            }

            // 入队
            enqueue(data){
               this.#items[this.#count] = data
               this.#count++
            }

            // 队头
            front(){
               return this.#items[this.#lowCount] 
            }

            isEmpty(){ 
              return this.size() === 0
            }

            size() {
              return this.#count - this.#lowCount
            }

            clear() {
               this.#items = {}
               this.#lowCount = 0
               this.#count = 0
            }

            toString(){
               let str = '' 
               for(let i = this.#lowCount;i<this.#count;i++){
                str += `${this.#items[i]} ` 
               } 
               return str 
            }
        }

        // let queue = new Queue()

        // console.log(queue.isEmpty())
        // console.log(queue.size()) 

        // queue.enqueue('Eric1')
        // queue.enqueue('小明2')
        // queue.enqueue('tiechui3')
 
        // console.log(queue.dequeue()) 
        // console.log(queue.dequeue()) 
        // console.log(queue.dequeue()) 
        // console.log(queue.dequeue()) 

        game(['kerwin','xiaoming','tiechui','gangdan','guladunzi'],7)

        function game(list,num){
            let queue = new Queue()
            for(let i=0;i<list.length;i++){
                queue.enqueue(list[i])
            }

            while(queue.size() > 1){
                for(let i=0;i<num;i++) {
                    queue.enqueue(queue.dequeue())
                }
                console.log(queue.dequeue(),'淘汰了')
            } 
            return  queue.dequeue()
        }

    </script>

</body>
</html>

我是Eric