Dom实现表格的隔行变色代码

来源:互联网 发布:剑灵召唤捏脸数据图 编辑:程序博客网 时间:2024/04/24 18:50

!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>

<script language="javascript" type="text/javascript">

function editcolor1(){
 var color1=document.getElementsByTagName("tr");
 for(var j=0;j<color1.length;j++){
  if(j%2==0){
  color1[j].style.background="black";
 }
 else{
  color1[j].style.background="blue";
 }
}
 
    
}
    
     
function editc(){
 var color=document.getElementsByTagName("tr");
 for(var i=0;i<color.length;i++){
  if(i%2==0){
   color[i].style.background="green";
  }else{
   color[i].style.background="red";
  }
 }
}
</script>

</head>

<body>
<table width="200" border="1">
  <tr name="aaa"  style="background:#FFF">
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
     <td>&nbsp;</td>
  </tr >
  <tr  name="bbb"  style="background:#FFF">
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
     <td>&nbsp;</td>
  </tr>
  <tr name="aaa"  style="background:#FFF">
    <td >&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
     <td>&nbsp;</td>
  </tr>
  <tr  name="bbb"  style="background:#FFF">
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
     <td>&nbsp;</td>
  </tr>
</table>
<input type="button"  value="改变颜色" onclick="editcolor1()" />
<input type="button" value="改变颜色" onclick="editc()">
</body>
</html>

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