HTML | DOM Table rows Collection

The Table rows collection is used for returning the collection of all the <tr> elements in a table. The sequence of the <tr> elements are sorted in the same way as their position in the source code.

Syntax

tableObject.rows

Properties

  • length : It is used to return the number of <tr> elements in the collection.

Methods

  • [index] : It is used for returning the <tr> element from the collection with a specified index.
  • item(index) : It is also used for returning the <tr> element from the collection with a specified index.
  • namedItem(id) : It is also used for returning the <tr> element from the collection with a specified id.

Below program illustrates the Table rows collection :
Example: Finding out the number of rows in a table.

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<!DOCTYPE html>
<html>
  
<head>
    <title>Table rows Collection in HTML
  </title>
    <style>
        table,
        td {
            border: 1px solid green;
        }
          
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Table rows Collection</h2>
  
    <p>To return the number of rows in the table,
      double-click the "Return Count" button.</p>
  
    <table id="Courses" align="center">
        <caption>Courses by Geeksforgeeks</caption>
        <tr>
            <td>Java</td>
            <td>Fork Java</td>
        </tr>
        <tr>
            <td>Python</td>
            <td>Fork Python</td>
        </tr>
        <tr>
            <td>Placements</td>
            <td>Sudo Placement</td>
        </tr>
    </table>
    <br>
  
    <button ondblclick="tr()">Return Count</button>
  
    <p id="test"></p>
  
    <script>
        function tr() {
            
            // number of rows.
            var c = document.getElementById(
              "Courses").rows.length;
            document.getElementById("test").innerHTML = 
              c + " Rows are present in the table.";
        }
    </script>
  
</body>
  
</html>

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Output:

Before clicking the button:

After clicking the button:

Supported Browsers:

  • Apple Safari
  • Internet Explorer
  • Firefox
  • Google Chrome
  • Opera


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