// ==/UserScript==
(function() {
bad = {};
})();Can be disabled:
<html>
<body>
<a onclick="bad();">Click</a>
<script>
bad = function() {alert("bad");}
</script>
</body>
</html>Cannot be disabled:
<html>
<body>
<script>
bad = function() {alert("bad");}
bad();
</script>
</body>
</html>How to block the second situation
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
This way your function cannot be reassigned. But when assigning a value, an error occurs.
Or try using
Proxy.