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<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gbk" /> 
<title>無(wú)標(biāo)題文檔 </title> 
</head> 

<body> 
<table width="100%" border="1" cellspacing="0" cellpadding="0" id="tab"> 
<tr> 
<td rowspan="0">張三 </td> 
<td>男 </td> 
<td>22 </td> 
<td>數(shù)學(xué) </td> 
<td>90 </td> 
</tr> 
<tr> 
<td rowspan="0">張三 </td> 
<td>男 </td> 
<td>22 </td> 
<td>數(shù)學(xué) </td> 
<td>90 </td> 
</tr> 
<tr> 
<td rowspan="0">張三 </td> 
<td>女 </td> 
<td>22 </td> 
<td>語(yǔ)文 </td> 
<td>70 </td> 
</tr> 
<tr> 
<td rowspan="0">張三 </td> 
<td>女 </td> 
<td>22 </td> 
<td>英語(yǔ) </td> 
<td>60 </td> 
</tr> 
<tr> 
<td rowspan="0">李四 </td> 
<td>女 </td> 
<td>22 </td> 
<td>數(shù)學(xué) </td> 
<td>60 </td> 
</tr> 
<tr> 
<td rowspan="0">李四 </td> 
<td>女 </td> 
<td>19 </td> 
<td>語(yǔ)文 </td> 
<td>60 </td> 
</tr> 
<tr> 
<td rowspan="0">王五 </td> 
<td>男 </td> 
<td>19 </td> 
<td>英語(yǔ) </td> 
<td>60 </td> 
</tr> 
</table> 

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var tab = document.getElementById("tab"); 
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megercell1(tab, col+1); 

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// alert(tab.rows[i].cells[0].getAttribute("rowspan")); 
} 
}; 


function megercell(tab, col){ 
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val = tab.rows[i].cells[col].innerHTML; 
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function megercell1(tab, col){ 
count = 1; 
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rowspan = parseInt(tab.rows[i].cells[0].getAttribute("rowspan")); 

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for(var n = 0; n < rowspan; n++) 
{ 
if(val == tab.rows[i].cells[col].innerHTML){ 
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if(count > 1){ 
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tab.rows[j].cells[col].style.display = "none"; 
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count = 1; 
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val = tab.rows[i].cells[col].innerHTML; 
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i++; 
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if(count　> 1) 
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from = i - count; 

alert(from +" "+ i +" "+ count); 
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for(var j=from+1; j<i; j++){ 
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count = 1; 
val = ""; 
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else 
{ 
i++; 
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} 

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</body> 
</html> 