Web Front-endJS TutorialJavaScript traverses a certain row and column in the table and prints its value_javascript skills
JavaScript traverse table
1. Description
Traverse a certain row and column in the table and print its value
2. Implement source code
<!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>JavaScript遍历table</title>
<style type="text/css">
tr td,tr th{
border:#CCC 1px solid;
}
</style>
<script type="text/javascript">
/**
* JavaScript遍历table
*/
function eachTableRow()
{
//获取table序号
var tab=document.getElementById("tab");
//获取行数
var rows=tab.rows;
//遍历行
for(var i=1;i<rows.length;i++)
{
//遍历表格列
for(var j=0;j<rows[i].cells.length;j++)
{
//打印某行某列的值
alert("第"+(i+1)+"行，第"+(j+1)+"列的值是:"+rows[i].cells[j].innerHTML);
}
}
}
</script>
</head>
<body>
<table id="tab" cellpadding="0" cellspacing="0" style="width:50%; text-align:center; border:#CCC 1px solid;">
<tr style="border:#CCC 1px solid;">
<th>学号</th>
<th>姓名</th>
<th>年龄</th>
<th>性别</th>
</tr>
<tr>
<td>2014010101</td>
<td>张思思</td>
<td>20</td>
<td>女</td>
</tr>
<tr>
<td>2014010102</td>
<td>立三</td>
<td>21</td>
<td>男</td>
</tr>
<tr>
<td>2014010103</td>
<td>王玉</td>
<td>22</td>
<td>女</td>
</tr>
<tr>
<td>2014010104</td>
<td>朱莉</td>
<td>23</td>
<td>男</td>
</tr>
</table>
<input type="button" value="遍历" onclick="eachTableRow()"/>
</body>
</html>
3. Realize results
(1) During initialization
(2) Click "Traverse"
(3) Click "Traverse" again
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