HTMLFormElement.length
The HTMLFormElement.length
read-only property returns the number of controls in the <form>
element.
Syntax
integer = form.length
Example
if (document.getElementById("form1").length > 1) { // more than one form control here }
Specifications
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/htmlformelement/length