CloseTag | الشروحات | Java Script | النطاق في لغة جافا سكريبت | JavaScript Scope

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript Global Scope</h1>

<script>
var username= "Ahmed";

function welcome(){
  document.write("Welcome " + username);
  //global variable can access here
}
//global variable can access here
if(username == "Ahmed"){
   welcome();
}
else
{
    //global variable can access here
  document.write(username  + " Wrong Username" );
}

//global variable can access here
</script>

</body>
</html>