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

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript Block Scope</h1>

<script>
const X = 10;
{
  const X= 3;
  //X here equal 3
  document.write("inside block scope " + X + "<br>");
}
//x here equal 10
document.write("outside block scope " + X );
</script>

</body>
</html>