HTML | DOM Input DatetimeLocal form Property

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

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.

<!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>                                      

Output:
Before clicking the button:

After clicking the button

Supported Browsers: The browser supported by Input DatetimeLocal form property are listed below:

Apple Safari
Internet Explorer
Firefox
Google Chrome
Opera

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