• 코드:
​x
 
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<!DOCTYPE html>
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<html lang="ko">
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​
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<head>
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    <meta charset="UTF-8">
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    <title>HTML5 Input Attributes</title>
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</head>
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​
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<body>
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​
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    <h1>required 속성을 이용한 필수 입력 설정</h1>
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​
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    <form action="/examples/media/request.php">
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        이름 : <input type="text" name="name" required> (이름은 반드시 입력해야 해요!)<br>
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        나이 : <input type="number" name="age" min="1" max="99"><br><br>
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        <input type="submit" value="전송">
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    </form>
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​
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</body>
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​
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</html>