Refactor capitalise_all_letters to use replaceAll

Updated the capitalise_all_letters function to use replaceAll for replacing spaces with underscores. Added additional console log for testing.

Author: Rawan0-0

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

@@ -18,9 +18,14 @@
 function capitalise_all_letters(str) {
   //I used toUpperCase string method to capitalise all the string
   //I used replace to replace first space " " in the string and replace it with "_"
-  return str.toUpperCase().replace(" ", "_");
+  return str.toUpperCase().replaceAll(" ", "_");
 }
 
-console.log(`The result is ${capitalise_all_letters("hello world")}`);
+console.log(
+  `The result is ${capitalise_all_letters("hello world we are here")}`,
+);
 
-// so far its easy -_-
+// so far its easy -_-
+//I used replaceAll to replace every space with _
+//I used Copilot like a teacher to help me when I'm stuck
+//one day I will create AI models -_-1