数据结构55-append方法实现代码-CFANZ编程社区

<!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>双向链表</title>
</head>
<body>
    <script>
        function doubleList(){
            this.head=null
            this.tail=null
            this.length=0

            function Node(data){
                this.data=data
                this.prev=null
                this.next=null
            }
            
            linkedList.prototype.append=function(data){
                var newNode=new Node(data)
                if(this.length==0){
                    
                    this.head=newNode
                }else{
                    
                    var current=this.head
                    while(current.next){
                        current=current.next
                    }
                    current.next=newNode
                }
                this.length+=1
            }

        }
    </script>
</body>
</html>