solving exercise 0.js

Author: AbdennourHachemi

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

@@ -1,5 +1,6 @@
 // Predict and explain first...
 //  =============> write your prediction here
+// Tha parameter 'str' is declared another time insie the function , this will cause an error to be thrown.
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
@@ -9,5 +10,10 @@ function capitalise(str) {
   return str;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+// =============> write your explanation here SyntaxError: Identifier 'str' has already been declared =>  line 10 varibale str should not be declared again.
+// =============> write your new code
+// function capitalise(str) {
+//   str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//   return str;
+// }
+// console.log(capitalise("hello world"));