02-basic-challenges-2/09-format-phone-number/format-phone-number.js

Author: Misgana-design

02-basic-challenges-2/09-format-phone-number/format-phone-number.js

@@ -1,3 +1,24 @@
-function formatPhoneNumber() {}
+//Solution
+// function formatPhoneNumber(arrNum) {
+//   const firstNum = arrNum.slice(0, 3).join("");
+//   const secondNum = arrNum.slice(3, -4).join("");
+//   const lastNum = arrNum.slice(6).join("");
+//   return `(${firstNum}) ${secondNum}-${lastNum}`;
+// }
+
+//Solution 2
+// function formatPhoneNumber(arrNum) {
+//   let formatedNumber = arrNum.join("");
+//   return `(${formatedNumber.substring(0, 3)}) ${formatedNumber.substring(
+//     3,
+//     -4
+//   )}-${formatedNumber.substring(6)}`;
+// }
+
+//Solution 3
+let formatPhoneNumber = (arrNum) =>
+  `(${arrNum.slice(0, 3).join("")}) ${arrNum.slice(3, -4).join("")}-${arrNum
+    .slice(6)
+    .join("")}`;
 
 module.exports = formatPhoneNumber;

02-basic-challenges-2/09-format-phone-number/format-phone-number-test.js renamed to 02-basic-challenges-2/09-format-phone-number/format-phone-number.test.js

@@ -1,13 +1,13 @@
-const formatPhoneNumber = require('./format-phone-number');
+const formatPhoneNumber = require("./format-phone-number");
 
-test('Format Phone Number', () => {
+test("Format Phone Number", () => {
   expect(formatPhoneNumber([1, 2, 3, 4, 5, 6, 7, 8, 9, 0])).toBe(
-    '(123) 456-7890'
+    "(123) 456-7890"
   );
   expect(formatPhoneNumber([5, 0, 2, 4, 8, 1, 9, 6, 3, 7])).toBe(
-    '(502) 481-9637'
+    "(502) 481-9637"
   );
   expect(formatPhoneNumber([9, 9, 9, 9, 9, 9, 9, 9, 9, 9])).toBe(
-    '(999) 999-9999'
+    "(999) 999-9999"
   );
 });