HTML DOM Table rows Collection

HTML Web Development Front End Technology

The HTML DOM table rows Collection returns a collection of all <tr> elements of a table in an HTML document.

Syntax

Following is the syntax −

object.rows

Properties of rows Collection

elements in the collection in an HTML document.

Property	Explanation
length	It returns the number of <tr> elements in the collection in an HTML document.

Methods of rows Collection

element from the collection element from the collection. element from the collection

Method	Explanation
[index]	It returns the specified index <tr> element from the collection.
item(index) <tr>	It returns the specified index <tr> element from the collection.
namedItem(id)	It returns the specified id <tr> element from the collection

Let us see an example of HTML DOM table rows Collection −

Example

Live Demo

<!DOCTYPE html>
<html>
<style>
   body {
      color: #000;
      background: lightblue;
      height: 100vh;
      text-align: center;
   }
   table {
      margin: 2rem auto;
   }
   .show {
      font-size: 1.2rem;
   }
   .btn {
      background: #db133a;
      border: none;
      height: 2rem;
      border-radius: 2px;
      width: 40%;
      display: block;
      color: #fff;
      outline: none;
      cursor: pointer;
      margin: 1rem auto;
   }
   .show {
      font-size: 1.2rem;
   }
</style>
<body>
<h1>DOM Table rows Collection Demo</h1>
<table border="2">
<thead>
<tr>
<th>Name</th>
<th>Roll No.</th>
</tr>
<thead>
<tbody>
<tr>
<td>John</td>
<td>071717</td>
</tr>
<tr>
<td>Jane</td>
<td>031717</td>
</tr>
</tbody>
</table>
<button onclick="get()" class="btn">Get Number of Rows</button>
<div class="show"></div>
<script>
   function get() {
      var table = document.querySelector('table');
      document.querySelector('.show').innerHTML = 'Number of rows : ' + table.rows.length;
   }
</script>
</body>
</html>