creating a function that uppercases string and replace empty space

Author: AkliluMihtsun

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

@@ -14,3 +14,7 @@
 // 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 uppercaseAndUnderscore(word) {
+  return word.toUpperCase().replaceAll(" ", "_");
+}
+console.log(uppercaseAndUnderscore("welcome to cyf"));