<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script src="jquery-3.1.1.js"></script> </head> <body> <div id="tianjiaclon"> <div id="ddddd"> <input type="button" value="+" onclick="f(this)"> <input type="text"> </div> </div> </body> <script> function f(self) { var s = $(self).parent().clone(); //获取到this的点击事件后，返回父标签，进行clon //把clon出来的标签的"+"号变为"-"号 s.children(":button").val("-").attr("onclick","f1(this)"); $("#tianjiaclon").append(s); //把clon的信息添加到，最外层的div标签中 } function f1(self) { //点击"-"号把clon当前对象删除 $(self).parent().remove(); } </script> </html>