I Implemented a function that replace the spaces in a string with an underscores using the .toUpperCase() and 'replace' functions.

Author: Mona-Eltantawy

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

@@ -14,3 +14,9 @@
 // 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(str) {
+    return str.toUpperCase().replace(/ /g, '_')
+}
+
+console.log(toUpperSnakeCase ('hello there'));