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分享<!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>�</title>
<script type="text/javascript" src="jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function() {
alert('begin');
var arrTotal = new Array();
$("#tb tr").each(function(ind,tr){
$(tr).children().each(function(i,td){
var count = arrTotal[i] || 0;
if(/^\s*$/.test( $(td).html()) == false){
count++;
}
arrTotal[i] = count;
});
});
$("#tb tr").each(function(ind,tr){
$(tr).children().each(function(i,td){
var count = arrTotal[i] ;
if(count == 0){
$(td).remove();
}
});
});
});
</script>
</head>
<body>
<table id="tb" style="width: 400px;" border="1">
<tr>
<td>
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</td>
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</tr>
<tr>
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</td>
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<td>
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</tr>
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<td>
3
</td>
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</table>
</body>
</html>