<!DOCTYPE html>
<html>
<head>
</head>
<body>
<script>
var run = function(fromWhom){
arguments[0] = 'alien';
alert(fromWhom);
}
run('zombie');
// alert: 'alien';
var run = function(fromWhom){
"use strict";
arguments[0] = 'alien';
alert(fromWhom);
}
run('zombie');
// alert: 'zombie';
</script>
</body>
</html>
