Syntax document.form.button.type The type property provides access to the TYPE attribute of the button.This property is a read-only string that always contains button. name="4plus2" value="(4 + 2)" onClick="document.mathForm.answer.value='(4 + 2) = 6'"> name="4minus2" value="(4 - 2)" onClick="document.mathForm.answer.value='(4 - 2) = 2'"> Answer: