Sprint2/1-key-errors

Author: enjoy15

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

@@ -1,13 +1,21 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// PREDICTION: There will be a SyntaxError because 'str' is declared twice - once as parameter, once as variable
 
 // 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;
+// }
 
 // =============> write your explanation here
+// 1. Cannot redeclare 'str' with 'let' inside function - it's already the parameter name
+// 2. 'explain' is not defined - should be a string literal
+console.log(capitalise("hello")); // Test the function
 // =============> write your new code here
+function capitalise(str) {
+let capitalised = `${str[0].toUpperCase()}${str.slice(1)}`;
+return capitalised;
+}