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

The Input Date readOnly property is used for setting or returning whether a date field should be read-only, or not.
Once a field has been declared read-only, it cannot be further modified. However, the read-only field can be tabbed, highlighted and can be used for copying text.
The HTML readonly attribute is reflected by the Input Date readOnly property.


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

Property Value:

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

Below program illustrates the Date readOnly property :

Setting a date field to read-only.

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


After clicking the button:

Supported Web Browsers:

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


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