15.各种验证
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>各种验证</title>
</head>
<body>
<form>
<!--邮箱验证-->
<p>
<input type="email" name="email">
</p>
<!--URL-->
<p>
<input type="url" name="url">
</p>
<!--数字-->
<p>
<input type="number" name="number" max="100" min="0" step="10">
</p>
<!--滑块-->
<p>
<input type="range" name="voice" min="0" max="100" step="2">
</p>
<!--搜索框-->
<p>
<input type="search" name="search">
</p>
<input type="submit">
<input type="reset">
</form>
</body>
</html>