<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="js/jquery-1.9.1.min.js"></script>
</head>
<body>
<button class="button">开始</button>
<button class="button">关闭</button>
<button class="button">注册</button>
<div ).remove()
})
</script>
</body>
</html>
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