JavaScript实现表格数据简单搜索功能

<html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title>New Web Project</title>
 <style>
 table{
 
 width: 500px;
 }
 td{
 border:1px solid #ccc;
 padding:5px;
 }
 </style>
 <script>
 window.οnlοad=function(){
 var oTb=document.getElementById('tb');
 var oldColor=null;
 var tName=document.getElementById('name');
 var oBtn=document.getElementById('btn');
 oBtn.οnclick=function(){
  var aRows=oTb.tBodies[0].rows;
  for(var i=0;i<aRows.length;i++)
  {
  var tdValue=aRows[i].cells[1].innerHTML.toLowerCase();
  var tNameValue=tName.value.toLowerCase().split(' ');
  for(var j=0;j<tNameValue.length;j++)
  {
  if(tdValue.search(tNameValue[j])>=0)
  {
  aRows[i].style.background='green';
  break;
  }
  else{
  aRows[i].style.background='';
  }
  }
  
  }
 };

 };
 </script>
 </head>
 <body>
 姓名：<input id='name' type="text"/>
 <input id="btn" type="button" value="搜索" />
 <table id="tb">
 <thead>
 <tr>
  <td>ID</td>
  <td>姓名</td>
  <td>年龄</td>
 </tr>
 </thead>
 <tbody>
 <tr>
  <td>1</td>
  <td>Blue</td>
  <td>23</td>
 </tr>
 <tr>
  <td>2</td>
  <td>李四</td>
  <td>26</td>
 </tr>
 <tr>
  <td>3</td>
  <td>王五</td>
  <td>29</td>
 </tr>
 <tr>
  <td>4</td>
  <td>青天决</td>
  <td>28</td>
 </tr>
 <tr>
  <td>5</td>
  <td>赵少邦</td>
  <td>23</td>
 </tr>
 </tbody>
 </table>
 </body>
</html>