<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<script src="jquery-3.5.1.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
$(document).ready(function() {
$(document).click(function() {
alert("click")
});
$(document).unbind("click");
$(document).unbind("mouseenter");
$(document).undelegate("#box", "click");
$(document).off("click", "#box");
});
</script>
</head>
<body>
<div id="box">
</div>
</body>
</html>
