feat: add generator functions

Author: ExploitEngineer

part5 (Functions)/AdvanceFunctions/10_generator-function.js

@@ -0,0 +1,25 @@
+/*
+INFO: What is a Generator ?
+A generator is a special function that can pause and resume its execution using the yield keyword. It automatically creates an iterator.
+*/
+
+function* generatorName() {}
+/*
+- Its returns an iterator
+- yield is used to pause and return values one at a time
+- Your control flow manually with .next()
+*/
+
+// Example
+function* nameGenerator() {
+  yield "rafay";
+  yield "ali";
+  yield "john";
+}
+
+const gen = nameGenerator();
+
+console.log(gen.next()); // {value: "rafay", done: false}
+console.log(gen.next()); // {value: "ali", done: false}
+console.log(gen.next()); // {value: "john", done: false}
+console.log(gen.next()); // {value: "undefined", done true}