jquery中关于表格行的增删问题

 1 DOCTYPE html>
 2 html>
 3 head>
 4 meta charset="UTF-8">
 5 title>Insert title heretitle>
 6 script type="text/javascript" src="jquery-3.2.1.min.js">script>
 7 script type="text/javascript">
 8     $(function(){
 9         //删除行
10         $("#employeetable a").click(function(){
11             return removeTr(this);
12         });
13         
14         //添加行
15         $("#addEmpButton").click(function(){
16             $("").append("
"+$("#name").val()+"
")
17                             .append("
"+$("#email").val()+"
")
18                             .append("
"+$("#salary").val()+"
")
19                             .append("Delete")
20                             .appendTo("#employeetable tbody")
21                             .find("a").click(function(){
22                                 return removeTr(this);
23                             })
24         })
25         
26         //公共函数
27         function removeTr(anode){
28             var $trnode=$(anode).parent().parent();
29             var textContext=$trnode.find("td:first").text();
30             textContext=$.trim(textContext);
31             var flag=confirm("要删除"+textContext+"?");
32             if(flag){
33                 $trnode.remove()
34             }
35             return false;
36         }
37         
38         
39     })
40 script>
41 head>
42 body>
43 center>
44         br> br> 
45         添加新员工 br> br> 
46         name: input type="text" name="name" id="name" />   
47         email: input type="text" name="email" id="email" />   
48         salary: input type="text" name="salary" id="salary" /> br> br>
49         button id="addEmpButton" value="abc">Submitbutton>
50         
51         br> br>hr>br>br>
52         
53         table id="employeetable" border="1" cellpadding="5" cellspacing=0>
54             tbody>
55                 tr>
56                     th>Nameth>
57                     th>Emailth>
58                     th>Salaryth>
59                     th> th>
60                 tr>
61                 tr>
62                     td>Tomtd>
63                     td>tom@tom.comtd>
64                     td>5000td>
65                     td>a href="deleteEmp?id=001">Deletea>td>
66                 tr>
67                 tr>
68                     td>
69                         Jerry
70                     td>
71                     td>jerry@sohu.comtd>
72                     td>8000td>
73                     td>a href="deleteEmp?id=002">Deletea>td>
74                 tr>
75                 tr>
76                     td>Bobtd>
77                     td>bob@tom.comtd>
78                     td>10000td>
79                     td>a href="deleteEmp?id=003">Deletea>td>
80                 tr>
81             tbody>
82         table>
83     center>
84 body>
85 html>