表格添加、删除
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>无标题文档</title> 6 <script> 7 window.onload=function () 8 { 9 var oTab=document.getElementById('tab1'); 10 11 var oBtn=document.getElementById('btn1'); 12 var oName=document.getElementById('name'); 13 var oAge=document.getElementById('age'); 14 var id=oTab.tBodies[0].rows.length+1; 15 16 oBtn.onclick=function () 17 { 18 var oTr=document.createElement('tr'); 19 20 var oTd=document.createElement('td'); 21 oTd.innerHTML=id++; //? 22 oTr.appendChild(oTd); 23 24 var oTd=document.createElement('td'); 25 oTd.innerHTML=oName.value; 26 oTr.appendChild(oTd); 27 28 var oTd=document.createElement('td'); 29 oTd.innerHTML=oAge.value; 30 oTr.appendChild(oTd); 31 32 var oTd=document.createElement('td'); 33 oTd.innerHTML='<a href="javascript:;">删除</a>'; 34 oTr.appendChild(oTd); 35 36 oTd.getElementsByTagName('a')[0].onclick=function () 37 { 38 oTab.tBodies[0].removeChild(this.parentNode.parentNode); 39 }; 40 41 oTab.tBodies[0].appendChild(oTr); 42 }; 43 }; 44 </script> 45 </head> 46 47 <body> 48 姓名：<input id="name" type="text" /> 49 年龄：<input id="age" type="text" /> 50 <input id="btn1" type="button" value="添加" /> 51 <table id="tab1" border="1" width="500"> 52 <thead> 53 <td>ID</td> 54 <td>姓名</td> 55 <td>年龄</td> 56 <td>操作</td> 57 </thead> 58 <tbody> 59 <tr> 60 <td>1</td> 61 <td>Blue</td> 62 <td>27</td> 63 <td></td> 64 </tr> 65 <tr> 66 <td>2</td> 67 <td>张三</td> 68 <td>23</td> 69 <td></td> 70 </tr> 71 <tr> 72 <td>3</td> 73 <td>李四</td> 74 <td>28</td> 75 <td></td> 76 </tr> 77 <tr> 78 <td>4</td> 79 <td>王五</td> 80 <td>25</td> 81 <td></td> 82 </tr> 83 <tr> 84 <td>5</td> 85 <td>张伟</td> 86 <td>24</td> 87 <td></td> 88 </tr> 89 </tbody> 90 </table> 91 </body> 92 </html>