Baseline Widely available
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>.
A number.
Examplesif (document.getElementById("form1").length > 1) {
// more than one form control here
}
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