Create index.js

create js files

index.js

@@ -0,0 +1,11 @@
+'use strict';
+function sayHi(){
+    alert('Hello World!');
+}
+sayHi()
+let a = confirm('Do u like my work')
+if (a == true){
+    alert('Thanks!!')
+}else{
+    alert('Ok, sorry')
+}