Lower case is changed into upper case and spaces are replaced with underscores.

Author: gaireprakash20-ops

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

@@ -14,3 +14,8 @@
 // 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 touppercase(str){
+  return str.replaceAll(' ', '_').toUpperCase();
+}
+console.log(touppercase('hello there'));
+//  The output of the given code is HELLO_THERE