<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript strict mode function parameter name</title>
</head>
<body>
<script type="text/javascript">
// Press F12 - View Syntax error on Console Panel
"use strict";
function fun1(arg1, arg1){
return arg1 + arg1;
}
result = fun1(5, 10);
document.writeln( result );
</script>
</body>
</html>
