Add toUpperSnakeCase function using replaceAll and toUpperCase

Author: khalidbih

Sprint-2/3-mandatory-implement/2-cases.js

@@ -14,3 +14,12 @@
 // You will need to come up with an appropriate name for the function
 // Use the MDN string documentation to help you find a solution
 // This might help https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase
+
+
+function toUpperSnakeCase(inputString) {
+   return inputString.replaceAll(" ", "_").toUpperCase();
+
+  
+}
+console.log(toUpperSnakeCase("hello there"));
+console.log (toUpperSnakeCase("lord of the rings"));