HTML | DOM Input DatetimeLocal form Property

Difficulty Level : Basic
Last Updated : 17 Jan, 2022

The Input DatetimeLocal form property in HTML DOM is used to return 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 which specify the reference of the form containing the Input Datetimelocal field

Below program illustrates the DatetimeLocal form property in HTML DOM:
Example: This example returns the id of the form containing the <input type=”datetime-local”> element.

html

<!DOCTYPE html>
<html>
     
<head>
    <title>
        Input DatetimeLocal form Property
    </title>
</head>
 
<body style="text-align:center;">
 
    <h1 style="color:green;">
        GeeksforGeeks
    </h1>
     
    <h2 style="font-family: Impact;">
        Input DatetimeLocal form Property
    </h2><br>
     
    <form id="Test_Form">
        Test date control: <input type="datetime-local"
                id="Test_DatetimeLocal">
    </form>
     
     
 
<p>
        To return the id of the form, double click
        the "Return Form Object" button.
    </p>
 
 
     
    <button ondblclick="My_DatetimeLocal()">
        Return Form Object
    </button>
     
    <p id="test"></p>
 
 
     
    <!-- Script to return the form id -->
    <script>
        function My_DatetimeLocal() {
            var d = document.getElementById("Test_DatetimeLocal").form.id;
            document.getElementById("test").innerHTML = d;
        }
    </script>
</body>
 
</html>                                    