개발냥발

문자열 길이 제한을 두려고 함. 처음에는 정규표현식을 써야 하나 고민했는데 몇 자만 추가하면 되는거였음. maxlengthValid for text, search, url, tel, email, and password, it defines the maximum number of characters (as UTF-16 code units) the user can enter into the field. This must be an integer value 0 or higher. If no maxlength is specified, or an invalid value is specified, the field has no maximum length. This value must also be greater t..