Pushed changes

src/dates/index.js

@@ -1,18 +1,18 @@
 // import moment here; use this package in each function
-
+var moment = require('moment')
 const today = () => {
   // write code for dates.today
-
+  return moment().format('dddd')
 }
 
 const calendar = () => {
   // write code for dates.calendar
-
+  return moment().format('MMM DD, YYYY')
 }
 
 const currentTime = () => {
   // write code for dates.currentTime
-
+  return moment().format('hh:mm:ss A')
 }
 
 module.exports = {

src/numbers/index.js

@@ -1,16 +1,27 @@
 const isEven = (num) => {
   // write code for numbers.isEven
-
+  if (num%2 == 0)
+  return true;
+else
+  return false
 }
 
 const sum = (arr) => {
   // write code for numbers.sum
-
-}
+  return arr.reduce((accumulator, currentValue) => accumulator + currentValue);
+};
 
 const comboSum = (arr, sum) => {
   // write code for numbers.comboSum
-
+  for (let i = 0; i != arr.length; i++) {
+    for (let j = 0; j != arr.length; j++) {
+      if (arr[i] + arr[j] === sum) {
+        return true
+      } else {
+        return false
+        }
+    }
+  }
 }
 
 module.exports = {

src/strings/index.js

@@ -5,11 +5,18 @@ const split = (str, delim) => {
 
 const pairs = (str) => {
   // write code for strings.pairs
-
+  let newArray = []
+  for (let i = 0; i < str.length; i+=2) {
+    temp = (str[i] + str[i+1])
+    newArray.push(temp.split("").join(""))
+  }
+  // newArray.push(str.split("").join(" , "))
+  return newArray
 }
 
 const reverse = (str) => {
   // write code for strings.reverse
+  return str.split("").reverse().join("");
 
 }