JavaScript Get row count of an HTML table?

Javascript Web Development Object Oriented Programming

Let’s say the following is our table −

<table id="tblDemo" border="1">
<thead>
<tr>
<th>Name</th>
<th>Age</th>
</tr>
</thead>
<tbody>
<tr><td>John</td><td>21</td></tr>
<tr><td>David</td><td>22</td></tr>
<tr><td>Bob</td><td>20</td></tr>
<tr><td>Mike</td><td>24</td></tr>
</tbody>
</table>

To get row count of an HTML table, use .rows.length. Following is the code −

Example

Live Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<table id="tblDemo" border="1">
<thead>
<tr>
<th>Name</th>
<th>Age</th>
</tr>
</thead>
<tbody>
<tr><td>John</td><td>21</td></tr>
<tr><td>David</td><td>22</td></tr>
<tr><td>Bob</td><td>20</td></tr>
<tr><td>Mike</td><td>24</td></tr>
</tbody>
</table>
<script>
   var allTableData = document.getElementById("tblDemo");
   var totalNumbeOfRows = allTableData.rows.length;
   console.log("Total Number Of Rows="+totalNumbeOfRows);
</script>
</body>
</html>

To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.

Output

This will produce the following output −

AmitDiwan

Published on 10-Sep-2020 07:01:10

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