HTML | DOM Input DatetimeLocal required Property

Last Updated : 02 May, 2023

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.

Syntax:

For returning the required property

datetimelocalObject.required

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.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>Input DatetimeLocal required Property in HTML</title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Input DatetimeLocal required Property</h2>
    <br>
 
    <form action="/initials.php">
        Date of Birth:
        <input type="datetime-local" id="Test_DatetimeLocal" name="DOB" required>
        <input type="submit">
    </form>
 
     
 
 
<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>
 
 
 
 
    <script>
        function My_DatetimeLocal() {
            var d = document.getElementById("Test_DatetimeLocal").required;
            document.getElementById("test").innerHTML = d;
        }
    </script>
 
</body>
</html>