HTML | DOM Input Datetime form Property

The Input Datetime form property is used for returning a reference to the form containing the Datetime 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:

datetimeObject.form

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



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<!DOCTYPE html>
<html>
  
<head>
    <title>Input Datetime 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 Datetime form Property</h2>
    <br>
  
    <form id="Test_Form">
        Test date control:
        <input type="datetime"
               id="Test_Datetime">
    </form>
  
    <p>To return the id of the form, double
      click the "Return Form Object" button.</p>
  
    <button ondblclick="My_Datetime()">
      Return Form Object
  </button>
  
    <p id="test"></p>
  
    <script>
        function My_Datetime() {
            
            // Return form ID
            var d = 
            document.getElementById("Test_Datetime").form.id;
            document.getElementById("test").innerHTML = d;
        }
    </script>
  
</body>
  
</html>

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Output:

Before clicking the button:

After clicking the button:

Supported Browsers:

  • Apple Safari
  • Internet Explorer
  • Firefox
  • Google Chrome
  • Opera


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