本代码主要演示的是for循环
代码语言：javascript复制<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript for循环实现表格隔行变色</title>
<script>
window.onload=function () {
oTab = document.getElementById('tab1');
for(var i=0;i<oTab.tBodies[0].rows.length; i ){
if(i%2){
oTab.tBodies[0].rows[i].style.backgroundColor='green';
}else {
oTab.tBodies[0].rows[i].style.backgroundColor='lightgreen'
}
}
}
</script>
</head>
<body>
<table id="tab1" width="500px" border="1px grap solid">
<thead>
<tr>
<td>ID</td>
<td>NAME</td>
<td>AGE</td>
</tr>
</thead>
<tbody>
<tr>
<td>01</td>
<td>Apollo</td>
<td>28</td>
</tr>
<tr>
<td>02</td>
<td>Ann</td>
<td>25</td>
</tr>
<tr>
<td>03</td>
<td>Merry</td>
<td>26</td>
</tr>
<tr>
<td>04</td>
<td>John</td>
<td>26</td>
</tr>
<tr>
<td>05</td>
<td>Eva</td>
<td>28</td>
</tr>
</tbody>
</table>
</body>
</html>
