HTMLButtonElement: willValidate property

The willValidate read-only property of the HTMLButtonElement interface indicates whether the <button> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, including:

• Its type is reset or button;
• It has a <datalist> ancestor;
• The disabled property is true.

Value

A boolean value.

Specifications

Browser compatibility

See also

• checkValidity()
• <button>
• <form>
• Learn: Client-side form validation
• Guide: Constraint validation