HTML | DOM Option form Property

The Option form Property in HTML DOM is used for returning the reference of the form that belongs to Option Element. This Property is read-only that returns a form object on success.

Syntax:

optionObject.form

Return Values: It returns a reference to the form that contains an Option Element. It returns a null value if the option is not in the Form.

Example: This Example returns an Option Form Property.

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
      DOM option form Property 
  </title> 
    <style> 
        body { 
            text-align: center; 
        } 
          
        h1 { 
            color: green; 
        } 
    </style> 
</head> 
  
<body> 
    <h1>GeeksforGeeks</h1> 
    <h2>DOM option Form Property</h2> 
    <form id="myGeeks"> 
        <select id="GFG"> 
            <option id="sudo"> 
              Choose an option 
          </option> 
            <option value="html"> 
              HTML 
          </option> 
            <option value="java"> 
              JAVA 
          </option> 
            <option value="C++"> 
              C++ 
          </option> 
            <option value="php"> 
              PHP 
          </option> 
            <option value="perl"> 
              PERL 
          </option> 
        </select> 
    </form> 
    <br> 
    <br> 
    <br> 
    <br> 
    <br> 
    <br> 
    <br> 
    <button onclick="myGeeks()"> 
      Submit 
  </button> 
    <h3 id="demo"></h3> 
    <script> 
        function myGeeks() { 
  
            var x = document.getElementById( 
                "sudo").form.id; 
            document.getElementById( 
              "demo").innerHTML = x; 
        } 
    </script> 
  
</body> 
  
</html> 

Before Clicking On Button:

After Clicking On Button:

Supported Browsers: The browsers supported by DOM Option form Property are listed below:

Google Chrome
Internet Explorer
Firefox
Apple Safari
Opera

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