JSFiddle - React, Tailwind, and code Playground
HTML
<form action="action_page.php">
<label for="password">Mật khẩu(ít nhất 6 kí tự, không có khoảng trắng):</label>
<input type="password" id="password" name="password" required pattern="\S{6,}">
<input type="submit">
</form>