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HTML | DOM Input Datetime readOnly Property
  • Difficulty Level : Basic
  • Last Updated : 28 Feb, 2019

The Input Datetime readOnly property is used for setting or returning whether a datetime field should be read-only, or not.
The read-only field can be tabbed, highlighted and can be used for copying text but it cannot be further modified. The HTML readonly attribute is reflected by the Input Datetime readOnly property.

Syntax:

  • For returning the readOnly property
    datetimeObject.readOnly
  • For setting the readOnly property:
    datetimeObject.readOnly = true|false

Property Value

  • true|false : It is used to specify whether the datetime field will be read-only or not.

Below program illustrates the Datetime readOnly property :

Setting a datetime field to read-only.






<!DOCTYPE html>
<html>
  
<head>
    <title>Input Datetime readOnly Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Input Datetime readOnly Property</h2>
    <br> Date Of Birth:
    <input type="datetime" id="Test_Datetime" name="DOB">
  
    <p>To set the date time to read-only,
      double-click the "Set Read-Only" button.</p>
  
    <button ondblclick="My_Datetime()">Set Read-Only</button>
  
    <p id="test"></p>
  
    <script>
        function My_Datetime() {
            document.getElementById("Test_Datetime").readOnly = true;
        }
    </script>
  
</body>
  
</html>                                          

Output:

After clicking the button

Supported Web Browsers

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

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