<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="utf-8"/>
<script type="text/javascript">
window.onload=function(){
var classElements = getClassElements('nav');
for (var i=0; i<classElements.length; i++) {
classElements[i].style.display = "none";
}
}
function getClassElements(n) {
var elements = [],allElements = document.getElementsByTagName('*');
for (var i=0; i< allElements.length; i++ ){
if (allElements[i].className == n ) {
elements[elements.length] = allElements[i];
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}
return elements;
}
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</head>
<body>
<table>
<tr class="nav">
<td>新闻</td>
<td>社区</td>
</tr>
<tr>
<td>视频</td>
<td>军事</td>
</tr>
</table>
</body>
</html>
<html>
<head>
<title></title>
<meta charset="utf-8"/>
<script type="text/javascript">
window.onload=function(){
var classElements = getClassElements('nav');
for (var i=0; i<classElements.length; i++) {
classElements[i].style.display = "none";
}
}
function getClassElements(n) {
var elements = [],allElements = document.getElementsByTagName('*');
for (var i=0; i< allElements.length; i++ ){
if (allElements[i].className == n ) {
elements[elements.length] = allElements[i];
}
}
return elements;
}
</script>
</head>
<body>
<table>
<tr class="nav">
<td>新闻</td>
<td>社区</td>
</tr>
<tr>
<td>视频</td>
<td>军事</td>
</tr>
</table>
</body>
</html>