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How to count number of columns in a table with jQuery
To count number of columns in a table with jQuery, use the each() function with attr(). You can try to run the following code to learn how to count column in a table:
Eaxmple
<html>
<head>
<title>jQuery Example</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
var num = 0;
$('tr:nth-child(1) td').each(function () {
if ($(this).attr('colspan')) {
num += +$(this).attr('colspan');
} else {
num++;
}
});
alert("Total Columns= "+num);
});
</script>
</head>
<body>
<table>
<tr>
<td>-1st column-</td>
<td colspan="1">-2nd column-</td>
<td colspan="1">-3rd column-</td>
<tr>
</table>
</body>
</html
Updated on: 20-Jun-2020
544 Views
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