The Javascript traversal of the Html Table sample of of includes the content and attribute values

2020-03-30 03:29:35
OfStack

1: iterate through and output the Table median


<table id="tb">
<tr>
<td></td>
</tr>
<tr>
<td></td>
</tr>
</table>
function f()
{
var t=document.getElementById("tb").childNodes.item(0);
for(var i=0;i< t.childNodes.length;i++)
{
for(var j=0;j<t.childNodes(i).childNodes.length;j++)
{
alert(t.childNodes(i).childNodes(j).innerText);
}
}
}

2: iterate over the Table, reading the CheckBox state and other Column values


<!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> <title>Untitled Page</title> </head> <body onload="f()"> 
<script type="text/javascript"> 
function f()
{
var t=document.getElementById("tb").childNodes.item(0);

for(var i=0;i< t.childNodes.length;i++)
{
alert(t.childNodes(i).firstChild.firstChild.nodeValue);
alert(t.childNodes(i).childNodes[1].firstChild.checked); 
}
}

</script>

<table id="tb">
<tr>
<td style="width: 122px">
1234</td>
<td style="width: 89px">
<input type="checkbox" /></td>
<td style="width: 210px">
</td>
</tr>
<tr>
<td style="width: 122px; height: 21px">
2234</td>
<td style="width: 89px; height: 21px">
<input type="checkbox" checked="CHECKED" /></td>
<td style="width: 210px; height: 21px">
</td>
</tr>
<tr>
<td style="width: 122px">
3234</td>
<td style="width: 89px">
<input type="checkbox" /></td>
<td style="width: 210px">
</td>
</tr>
</table>
</body>
</html>