code improve

Author: pathywang

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

@@ -15,13 +15,21 @@ function convertToPercentage(decimalNumber) {
 console.log(decimalNumber);
 
 // =============>const decimalNumber =0.5 is wrong because we can not redeclare parameter using const inside function. 
-// what is more, decimalNumber is not defined in thed global scope so we can not use console.log(decimalNumber)
+// what is more, decimalNumber is not defined in the global scope so we can not use console.log(decimalNumber)
 
 
 // Finally, correct the code to fix the problem
 // =============> 
-function convertToPercentage(decimalNumber) {const percentage = `${decimalNumber*100}%`;return percentage;}
-const decimalNumber = 0.5
+function convertToPercentage(decimalNumber) {
+  const percentage = `${decimalNumber * 100}%`;
+  return percentage;
+}
+
+console.log(convertToPercentage(0.5)); // Output: "50%"
+
+//or another concised code
+function convertToPercentage(decimalNumber) {
+  return`${decimalNumber * 100}%`;
+}
 
-console.log(convertToPercentage(decimalNumber)); 
-console.log(decimalNumber);
+console.log(convertToPercentage(0.5)); // Output: "50%"