JAVASCRIPT CONST EXAMPLE

<!doctype html>
	<head>
		<style>
			/* CSS comes here */
			
		</style>
		<title>const Statement</title>
	</head>
	<body>
            <h2>Understand use of const in JavaScript</h2>
		<script>
			// global scope
            const x = 200
            
            // block scope
            {
             const x = 10
             document.write("Inside the block:"+x)
            }
            
            // function scope
            function show() {
              const x = 20;  
             document.write("<br>Inside the function:"+x)
            }
            show();
            document.write("<br>Global x:"+x)
            x = 100 // TypeError: Assignment to constant variable.
            document.write("<br>Global x:"+x)

		</script>
	</body>
</html>