HTML DOM Input DatetimeLocal form Property

The Input DatetimeLocal form property in HTML DOM returns the reference to the form containing the local datetime field. It returns a form object on success, else if the date control is not in the form, it returns NULL. It is a read-only property.

Syntax:

datetimelocalObject.form

Return Values: It returns a string value that specifies the reference of the form containing the Input Datetimelocal field.

Example: This example returns the id of the form containing the <input type="datetime-local"> element.

html

<!DOCTYPE html>
<html>

<head>
    <title>
        HTML DOM Input DatetimeLocal form Property
    </title>
</head>

<body style="text-align:center;">

    <h1>GeeksforGeeks</h1>

    <h2>
        HTML DOM Input DatetimeLocal form Property
    </h2><br>

    <form id="test_form">
        <label>Test Date Control</label> 
        <input type="datetime-local" 
            id="Test_DatetimeLocal">
    </form>

    <p>Click on Button to Return the form id</p>

    <button onClick="myGeeks()">
        Return Form Object
    </button>

    <p id="result"></p>

    <!-- Script to return the form id -->
    <script>
        function myGeeks() {
            let form_id = document.getElementById(
                "Test_DatetimeLocal").form.id;

            document.getElementById("result")
                .innerHTML = form_id;
        }
    </script>
</body>

</html>

Output:

datetimelocal

Note: The <input type="datetime-local"> element does not show any datetime field/calendar in Firefox.

Supported Browsers:

Google Chrome 20
Edge 12
Firefox 93
Opera 11
Safari 14.1

HTML DOM Input DatetimeLocal form Property

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