Complete error exercise 0 - capitalise redeclare

Author: salahalsabhi

Sprint-3/1-key-errors/0.js

@@ -1,13 +1,15 @@
 // Predict and explain first...
-//  =============> write your prediction here
-
+//  =============> write your prediction here==> SyntaxError because str is declared twice (parameter + let)
 // 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;
+//}
+// =============> write your explanation here==> (let str) will make a syntaxerror because str is already declared as parameter in the function: [function capitalise(str) ] and we can not declare an identifier in the same scope
+// =============> write your new code here:
 function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
+ str = `${str[0].toUpperCase()}${str.slice(1)}`;
+ return str;
 }
-
-// =============> write your explanation here
-// =============> write your new code here
+console.log(capitalise("hello world"));