The HTMLFormElement.length
read-only property returns the number of controls in the <form>
element.
You can access the list of the form's controls using the elements
property.
This includes both elements that are descendants of the <form>
element as well as elements that are made members of the form using their form
property.
Elements that are considered for this property are: <button>
, <fieldset>
, <input>
(with the exception that any whose type is "image" are omitted for historical reasons), <object>
, <output>
, <select>
, and <textarea>
.