CloseTag | الشروحات | Java Script | عمليات الإغلاق مع الدوال في لغة جافا سكريبت | JavaScript Function Closures

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript Functions</h2>
<p>Variables created without a declaration keyword (var, let, or const) are always global,
even if they are created inside a function.:</p>

<p id="demo"></p>

<script>
myFunction();
document.getElementById("demo").innerHTML = a * a;

function myFunction() {
  a = 4;
} 
</script>

</body>
</html>

JavaScript Functions

Variables created without a declaration keyword (var, let, or const) are always global, even if they are created inside a function.: