task0002_1.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" id="hobby">
<input type="button" value="确定" id="bhobby">
<p id="phobby"></p>

 <textarea id="hobby2"></textarea>
<input type="button" value="确定" id="bhobby2">
<p id="phobby2"></p>

<textarea id="hobby3"></textarea>
<input type="button" value="确定" id="bhobby3">
 <p id="check">

 </p>
</body>
<script src="js/utilli.js"></script>
<script src="js/task0002_1.js"></script>
</html>