Learn how to efficiently count HTML table rows using JavaScript with our step-by-step guide. Master the essential techniques to streamline your web development process.
Code Example:
<!DOCTYPE html>
<html>
<head>
<style>
table, td {
border: 1px solid black;
}
</style>
</head>
<body>
<p>Click the button to return the number of tr elements in the table.</p>
<table id="myData">
<tr>
<td>Alok</td>
<td>340</td>
</tr>
<tr>
<td>Aman</td>
<td>220</td>
</tr>
<tr>
<td>Rakesh</td>
<td>250</td>
</tr>
<tr>
<td>Rahul</td>
<td>520</td>
</tr>
<tr>
<td>Rahul</td>
<td>520</td>
</tr>
<tr>
<td>Rahul</td>
<td>520</td>
</tr>
<tr>
<td>Rahul</td>
<td>520</td>
</tr>
<tr>
<td>Rahul</td>
<td>520</td>
</tr>
</table>
<br>
<button onclick="test()">Check</button>
<br>
<h1>Result:<span id="result"></span></h1>
</body>
<script>
function test(){
var counter = document.getElementById("myData").rows.length;
//alert(counter);
document.getElementById("result").innerHTML=counter;
}
</script>
</html>