Mascará para telefone

        function handlePhone(event) {
            let input = event.target
            input.value = phoneMask(input.value)
        }

        function phoneMask(value) {
            if (!value) return ""
            value = value.replace(/\D/g, '')
            value = value.replace(/(\d{2})(\d)/, "($1) $2")
            value = value.replace(/(\d)(\d{4})$/, "$1-$2")
            return value
        }