js控制表格隔行变色

<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>js控制隔行变色</title>
</head>
<body>
	<table id="tb1" border="1" border-collapse="collapse" cellpadding="5" width="400" height="20" cellspacing="0" bordercolor="#99cccc">
		<thead>
			<tr>
				<td>编号</td>
				<td>作品</td>
				<td>时间</td>
			</tr>
		</thead>
		<tbody id="tb2">
			<tr>
				<td>1</td>
				<td>回忆三部曲</td>
				<td>1995</td>
			</tr>
			<tr>
				<td>2</td>
				<td>未麻的部屋</td>
				<td>1997</td>
			</tr>
			<tr>
				<td>3</td>
				<td>千年女优</td>
				<td>2001</td>
			</tr>
			<tr>
				<td>4</td>
				<td>妄想代理人</td>
				<td>2004</td>
			</tr>
			<tr>
				<td>5</td>
				<td>红辣椒</td>
				<td>2006</td>
			</tr>
			<tr>
				<td>6</td>
				<td>东京教父</td>
				<td>2003</td>
			</tr>
		</tbody>
	</table>

	<script type="text/javascript">
     window.onload=function tablecolor(){
     	var t_name = document.getElementById("tb2");
     	var t_len = t_name.getElementsByTagName("tr");
     	for(var i=0;i<=t_len.length;i++){
     		//偶数行时执行
     		if(i%2 == 0){
     			t_len[i].style.backgroundColor="#ffcccc";
             //添加鼠标经过事件
     			t_len[i].onmouseover = function(){
     				this.style.backgroundColor="#ccffff"
     			}
     			//添加鼠标离开事件
     			t_len[i].onmouseout = function(){
     				this.style.backgroundColor="#ffcccc"     			
     			}
     		}
     		else{
     			t_len[i].style.backgroundColor="#ffffcc";

     			t_len[i].onmouseover = function(){
     				this.style.backgroundColor="#ccffff"
     			}
     			t_len[i].onmouseout = function(){
     				this.style.backgroundColor="#ffffcc"
     		}
     	}
     }
 }
	</script>
</body>
</html>

  

posted @ 2018-08-31 14:51  凉の茶  阅读(3766)  评论(0编辑  收藏  举报