<!DOCTYPE html><html><head> <meta charset="utf-8"> <!--code here--> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, minimal-ui"> <meta name="format-detection" content="telephone=no"> <title>demo</title> <style> * { padding: 0; margin: 0;} .head, li div { display: inline-block; width: 70px; text-align: center; } li .id, li .sex, .id, .sex { width: 15px; } li .name, .name { width: 40px; } li .tel, .tel { width: 90px; } li .del, .del { width: 15px; } ul { list-style: none; } .user-delete { cursor: pointer; } </style></head><body> <div id="J_container"> <div class="record-head"> <div class="head id">序号</div> <div class="head name">姓名</div> <div class="head sex">性别</div> <div class="head tel">电话号码</div> <div class="head province">省份</div> <div class="head">操作</div> </div> <ul id="J_List"> <li> <div class="id">1</div> <div class="name">张三</div> <div class="sex">男</div> <div class="tel">13788888888</div> <div class="province">浙江</div> <div class="user-delete">删除</div> </li> <li> <div class="id">2</div> <div class="name">李四</div> <div class="sex">女</div> <div class="tel">13788887777</div> <div class="province">四川</div> <div class="user-delete">删除</div> </li> <li> <div class="id">3</div> <div class="name">王二</div> <div class="sex">男</div> <div class="tel">13788889999</div> <div class="province">广东</div> <div class="user-delete">删除</div> </li> </ul> </div> <script> // 此处也可换成ES6的写法 function Contact(){ this.init(); } // your code here Contact.prototype.init = function () { var oDiv = document.getElementsByClassName("user-delete"); var oUl = document.querySelector("#J_List"); var oList = oUl.querySelectorAll("li"); for (var i = 0; i < oDiv.length; i++) { (function (i) { oDiv[i].onclick = function () { oList[i].remove(); console.log(i); } })(i); } } new Contact(); </script></body></html> 
