Javascript Reference - HTML DOM Fieldset form Property








The read only form property returns a reference to the form that contains the fieldset.

Browser Support

form Yes Yes Yes Yes Yes

Syntax

var v = fieldsetObject.form 

Return Value

A reference to the form element that contains the fieldset.

If the fieldset is not in a form, null is returned.





Example

The following code shows how to get the id of the form containing the <fieldset> element.


<!DOCTYPE html>
<html>
<body>
<form id="myForm">
  <fieldset id="myFieldset">
    <legend>Information:</legend>
    Name: <input type="text"><br>
    Date of birth: <input type="text">
  </fieldset>
</form><!--from   ww w.j  av a2s . com-->
<p id="demo"></p>
<button onclick="myFunction()">test</button>
<script>
function myFunction() {
    var x = document.getElementById("myFieldset").form.id;
    document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>

The code above is rendered as follows: