ariaRequired property

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

Syntax

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

Property values

Type: BSTR

The form-completion requirement.

(true)

The element requires user input.

(false)

Default. The element may be left blank.

Standards information

Remarks

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