New: added function all eval example.

Author: mbrsagor

basic/eval.js

@@ -1,4 +1,5 @@
-console.log(eval('2 + 2'));
+function eval_examples() { 
+    console.log(eval('2 + 2'));
 // Expected output: 4
 
 console.log(eval(new String('2 + 2')));
@@ -9,3 +10,6 @@ console.log(eval('2 + 2') === eval('4'));
 
 console.log(eval('2 + 2') === eval(new String('2 + 2')));
 // Expected output: false
+}
+
+eval_examples();