<form action="1.php" method="post">
邮箱: <input type="email"><br/>
网址: <input type="url"><br/>
数值: <input type="number" min="1" max="10" step="2"><br/>
...
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<form action="1.php" method="post">
邮箱: <input type="email"><br/>
网址: <input type="url"&...