feat: add nested ternary operator

Author: ExploitEngineer

part1 (Basics)/operators/06_ternary.js

@@ -9,3 +9,23 @@ Returns one of two expressions based on a condition.
 const age = 18;
 const canVote = age >= 18 ? 'Yes' : 'No';
 console.log(canVote); // Output: Yes
+
+
+/*
+? : Nested Ternary conditional operator 
+Nested ternary means using a ternary inside another ternary.
+Useful when you have multiple conditions to check.
+*/
+
+const userAge = 20;
+
+const status = userAge < 13
+  ? "Child"
+  : userAge < 18
+    ? "Teenager"
+    : userAge < 60
+      ? "Adult"
+      : "Senior";
+
+console.log(status); // Output: Adult
+