completed project

src/dates/index.js

@@ -1,22 +1,23 @@
 // import moment here; use this package in each function
+var moment = require('moment');
 
 const today = () => {
-  // write code for dates.today
-
+    // write code for dates.today
+    return moment().format('dddd');
 }
 
 const calendar = () => {
-  // write code for dates.calendar
-
+    // write code for dates.calendar      
+    return moment().format('MMM d, YYYY');
 }
 
 const currentTime = () => {
-  // write code for dates.currentTime
-
+    // write code for dates.currentTime
+    return moment().format('h:mm:ss A');
 }
 
 module.exports = {
-  today,
-  calendar,
-  currentTime
+    today,
+    calendar,
+    currentTime
 }

src/numbers/index.js

@@ -1,20 +1,23 @@
 const isEven = (num) => {
-  // write code for numbers.isEven
-
+    // write code for numbers.isEven
+    return (num % 2 ? false : true);
 }
 
 const sum = (arr) => {
-  // write code for numbers.sum
-
+    // write code for numbers.sum
+    let n = arr.reduce((acc, cur) => (acc + cur))
+    return n;
 }
 
 const comboSum = (arr, sum) => {
-  // write code for numbers.comboSum
-
+    // write code for numbers.comboSum
+    let n = 0;
+    arr.forEach(e => { n += e });
+    return (n == sum ? true : false);
 }
 
 module.exports = {
-  isEven,
-  sum,
-  comboSum
+    isEven,
+    sum,
+    comboSum
 }

src/strings/index.js

@@ -1,20 +1,27 @@
 const split = (str, delim) => {
-  // write code for strings.split
+    // write code for strings.split
+    return str.split(delim);
 
 }
 
 const pairs = (str) => {
-  // write code for strings.pairs
-
+    // write code for strings.pairs
+    let arr = [];
+    for (let i = 0; i < str.length; i += 2) {
+        let a = str[i] + str[i + 1];
+        arr.push(a);
+    }
+    return arr;
 }
 
 const reverse = (str) => {
-  // write code for strings.reverse
-
+    // write code for strings.reverse
+    return str.split("").reverse().join("");
 }
 
+
 module.exports = {
-  split,
-  pairs,
-  reverse
+    split,
+    pairs,
+    reverse
 }