<!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>链表操作</title> </head> <body> <script> function LinkList(){ function Node(data){ this.data=data this.next=null } //属性 this.head=null this.length=0 LinkList.prototype.append=function(data){ //创建新的节点 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 } //toString() LinkList.prototype.toString=function(){ //定义变量 var current=this.head // var listString="" while(current){ listString+=current.data+" " current=current.next } return listString } //insert方法 LinkList.prototype.toString=function(position,data){ if(position<0||position>this.length) return false //根据data创建节点 var newNode=new Node(data) // if(position==0){ newNode.next=this.head this.head=newNode }else{ var index=0 var current=head var previous=null while(index++<position){ previous=current current=current.next } newNode.next=current previous.next=newNode } this.length++ return true } } </script> </body> </html>