Fix variable shadowing in capitalise function and update console log; correct convertToPercentage function implementation

Author: Payman IB

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

@@ -1,20 +1,19 @@
 // Predict and explain first...
 //  =============> write your prediction here
 // it gives us an error.
-
 // 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;
+//  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+// return str;
 // }
 
-// =============> write your explanation here : 
+// =============> write your explanation here :
 // as the variable in side the function has the same name as the function variable.
 // =============> write your new code here
 function capitalise(str) {
   let str1 = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str1;
 }
-console.log(capitalise("abcd"));
+console.log(capitalise("abcd"));

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

@@ -1,20 +1,32 @@
 // Predict and explain first...
-
-// Why will an error occur when this program runs?
+// error on line 11
+// error on line 17
+// Why will an error occur when this program runs? yes
 // =============> write your prediction here
+// decimalNumber is declared before and can not be declared again.
+// console.log(decimalNumber) should be console.log(convertToPercentage)
+// Try playing computer with the example to work ot what is going on
 
-// Try playing computer with the example to work out what is going on
-
-function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
-  const percentage = `${decimalNumber * 100}%`;
+// function convertToPercentage(decimalNumber) {
+// //  const decimalNumber = 0.5;
+//   const percentage = `${decimalNumber * 100}%`;
 
-  return percentage;
-}
+//   return percentage;
+// }
 
-console.log(decimalNumber);
+//console.log(percentage);
 
 // =============> write your explanation here
+// decimalNumber is declared before and can not be declared again.
+// console.log(decimalNumber) should be console.log(convertToPercentage)
 
 // Finally, correct the code to fix the problem
 // =============> write your new code here
+function convertToPercentage(decimalNumber) {
+  //const decimalNumber = 0.5;
+  const percentage = `${decimalNumber * 100}%`;
+
+  return percentage;
+}
+
+console.log(convertToPercentage(0.5));