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HTML | DOM Input DatetimeLocal required Property

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The Input DatetimeLocal required property is used for setting or returning whether a datetimeLocal field must be filled out before submitting a form. 
The HTML required attribute is used to reflect the Input DatetimeLocal required property.


  • For returning the required property 
  • For setting the required property  
 datetimelocalObject.required = true|false 

Property Value: 

  • true|false: It is used to specify whether a datetimeLocal field should be a required part of a form submission or not. It is false by default.

Return Values: It returns a boolean value that specifies whether the local datetime field is required or not. 

The below program illustrates the DatetimeLocal required property :

Finding out if a datetimeLocal field must be filled out before submitting a form or not.  


<!DOCTYPE html>
    <title>Input DatetimeLocal required Property in HTML</title>
        h1 {
            color: green;
        h2 {
            font-family: Impact;
        body {
            text-align: center;
    <h2>Input DatetimeLocal required Property</h2>
    <form action="/initials.php">
        Date of Birth:
        <input type="datetime-local" id="Test_DatetimeLocal" name="DOB" required>
        <input type="submit">
<p>To find out if the datetimeLocal field must be filled out
      before submitting the form, double-click the "Check" button.</p>
    <button ondblclick="My_DatetimeLocal()">Check</button>
    <p id="test"></p>
        function My_DatetimeLocal() {
            var d = document.getElementById("Test_DatetimeLocal").required;
            document.getElementById("test").innerHTML = d;


After clicking the button: 

Supported Web Browsers: 

  • Google Chrome 20
  • Edge 12
  • Firefox 93
  • Opera 11
  • Safari 14.1

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Last Updated : 02 May, 2023
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