HTML | DOM Legend form Property

Last Updated : 25 Aug, 2022

The DOM Legend form Property is used for returning a reference to the form that contains the <legend> tag. It is read-only Property that returns a form Object on success.

Syntax:

legendObject.form

Return value: A reference to <form> element containing the <legend> element. If <legend> element is not in a form, null is returned.

Example: This Example returns a form Property.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>DOM Legend form Property</title>
    <style>
        form {
            width: 50%;
        }
        label {
            display: inline-block;
            float: left;
            clear: left;
            width: 90px;
            margin: 5px;
            text-align: left;
        }
        input[type="text"] {
            width: 250px;
            margin: 5px 0px;
        }
        .gfg {
            font-size: 40px;
            color: green;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <div class="gfg">GeeksforGeeks</div>
    <h2>DOM Legend Form Property</h2>
    <form id="myGeeks">
        <fieldset>
            <!-- Assigning legend id -->
            <legend id="GFG">STUDENT::</legend>
            <label>Name:</label>
            <input type="text">
            <br>
            <label>Email:</label>
            <input type="text">
            <br>
            <label>Date of birth:</label>
            <input type="text">
            <br>
            <label>Address:</label>
            <input type="text">
            <br>
            <label>Enroll No:</label>
            <input type="text">
        </fieldset>
    </form>
    <br>
    <button onclick="myGeeks()">Submit</button>
    <p id="sudo" style="font-size:25px;"></p>

    <script>
        function myGeeks() {

            // return legend form Pfoperty
            var g = 
                document.getElementById("GFG").form.id;
          
            document.getElementById(
              "sudo").innerHTML = g;
        }
    </script>
</body>
</html>