允许用户在5个输入框中输入信息。
我希望用户只被允许回答表单中的3个问题,当他回答他选择的3个问题时,表单中其余的输入文本字段(框)将被禁用。
<html>
<h1>Security Questions</h1>
<body>
<p>
Only Enter Answer 3 Security Questions.
</p>
<form action="/submitAnswer.php" method="POST">
<label>What City Was Your Mom Born In?</label><br>
<input type="text" id="secQuestion01" name="secQuestion01"><br>
<label>What Is Your Dream Car?</label><br>
<input type="text" id="secQuestion02" name="secQuestion02"><br>
<label>What Is Your Mother's Maidan Name?</label><br>
<input type="text" name="secQuestion03"><br>
<label>What's Your Dream Job?</label><br>
<input type="text" name="secQuestion04"><br>
<label>Name Your First Grade Teacher?</label><br>
<input type="text" name="secQuestion05"><label><br>
<label>Name Your First Pet?</label><br>
<input type="text" name="secQuestion01"><label><br>
</form>
</body>
</html>
https://stackoverflow.com/questions/51851420
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