HTML | DOM Input Date form Property

Last Updated : 31 Aug, 2022

The Input Date form property is used for returning a reference to the form containing the Date field. It is a read-only property that returns a form object on success, else if the date control is not in the form, it returns NULL.
Syntax:

inputdateObject.form

Return Values: It returns a string value which specify the reference of the form containing the Input Date field.

Below program illustrates the Date form property :
Example: Returning the id of the form containing the <input type=”date”> element.

html

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