changed the name of the string in the function

Author: asaniDev

Sprint-2/1-key-errors/0.js

@@ -1,13 +1,23 @@
 // Predict and explain first...
 //  =============> write your prediction here
+//we should have an error showing that str already exists so we cannot declare it again inside the function.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
-function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
-}
+//function capitalise(str) {
+//  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//  return str;
+//}
+
+//console.log(capitalise("cat"));
 
 // =============> write your explanation here
+//str has been passed down as a parameter so we cannot declare it again. we would need to declare a different variable name.
 // =============> write your new code here
+function capitalise(str) {
+  let capitalisedStr = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return capitalisedStr;
+}
+
+console.log(capitalise("cat"));