const passform = document.getElementsByName("password"),
	confpassform = document.getElementsByName("password_confirmation");
function checkpassword() {
	for (let i = 0; i < passform.length; i++) {
		if (passform[i].value !== confpassform[i].value)
			confpassform[i].setCustomValidity("Password konfirmasi salah");
		else confpassform[i].setCustomValidity("");
	}
}