ariaRequired property

Sets or retrieves the form-completion requirement of this element.


object.setAttribute("ariaRequired",value);var value = object.getAttribute("ariaRequired");

Property values

Type: BSTR

The form-completion requirement.


The element requires user input.


Default. The element may be left blank.

Standards information


Used in Roles combobox gridcell listbox radiogroup spinbutton textbox tree

The IHTMLElement5::ariaRequired property indicates which input fields of a form must be filled in before it can be submitted. If the user attempts to submit the form without the required information, you may set IHTMLElement5::ariaInvalid to indicate the error.

Note For cross-browser compatibility, always use the WAI-ARIA attribute syntax to access and modify ARIA properties, for example object.setAttribute("aria-valuenow", newValue).

See also

Accessible Rich Internet Applications (ARIA)

W3C ARIA-Required