What are hidden inputs?
Hidden inputs are completely invisible in the rendered page, and there is no way to make it visible in the page's content. Note: The input and change events do not apply to this input type. Hidden inputs cannot be focused even using JavaScript (e.g. hiddenInput.
Are hidden inputs safe?
Since they are not rendered visible, hidden inputs are sometimes erroneously perceived as safe. But similar to session cookies, hidden form inputs store the software's state information client-side, instead of server-side. This makes it vulnerable.
How do you change input type hidden?
The HTML <input type=”hidden”> is used to define a input Hidden field. A hidden field also includes those data that could not be seen or modified by the users when submitted the form.