Mahmoud

.gitignore

@@ -3,4 +3,5 @@
 node_modules/
 src/solutions.js
 package-lock.json
+testfile.js
 

dist/testfile.dev.js

@@ -0,0 +1,34 @@
+"use strict";
+
+// function iteration(n){
+//    const emptyArray =[];
+//   for( var i = 1; i <=n; i++ ){
+//     // console.log(i);
+//     emptyArray.push(i)
+//   }
+//   console.log(emptyArray);
+// }
+// iteration(20);
+var jim = {
+  name: "Jim",
+  age: 60
+};
+var dilys = {
+  name: "Dilys",
+  age: 50
+};
+var marjorie = {
+  name: "Marjorie",
+  age: 65
+};
+
+var getAges = function getAges(people) {
+  // your code here
+  if (people.age > 65) {
+    return true;
+  }
+
+  return false;
+};
+
+console.log(getAges(jim));

src/arrays.js

@@ -1,61 +1,87 @@
 const getNthElement = (index, array) => {
-  // your code here
+  return array[index];
 };
 
 const arrayToCSVString = array => {
   // your code here
+ return array.join(",")
+
 };
 
 const csvStringToArray = string => {
   // your code here
+  return string.split(",");
+
 };
 
 const addToArray = (element, array) => {
-  // your code here
+ array.push(element);
 };
 
 const addToArray2 = (element, array) => {
   // your code here
+ const newArray = array.push(element)
+  console.log(newArray);
 };
 
 const removeNthElement = (index, array) => {
   // your code here
+  return array.splice(index, 1);
 };
 
 const numbersToStrings = numbers => {
   // your code here
+
+  return numbers.toString().split(',')
 };
 
 const uppercaseWordsInArray = strings => {
   // your code here
+  return strings.map(name => name.toUpperCase());
 };
 
 const reverseWordsInArray = strings => {
   // your code here
+  return strings.map(item => item.split('').reverse().join(''));
+
+
 };
 
 const onlyEven = numbers => {
   // your code here
+  return numbers.filter(item => item % 2 === 0);
 };
 
 const removeNthElement2 = (index, array) => {
-  // your code here
-};
+ // your code here
+
+
 
+};
 const elementsStartingWithAVowel = strings => {
   // your code here
+  const vowels = ['a','e','i','o','u'];
+  return vowels.map(function(vowel) {
+    return strings.find(function(string) {
+      return string.toLowerCase().charAt(0) === vowel;
+    });
+  });
 };
 
 const removeSpaces = string => {
   // your code here
+  return string.replace(/\s+/g, '')
 };
 
 const sumNumbers = numbers => {
-  // your code here
+    // your code here
+  return numbers.reduce((acc, curr) => acc + curr);
 };
 
 const sortByLastLetter = strings => {
   // your code here
+
+  return strings.sort((a, b) => a.charCodeAt(a.length - 1) - b.charCodeAt(b.length - 1));
 };
 
 module.exports = {

src/booleans.js

@@ -1,61 +1,100 @@
+/* eslint-disable func-names */
 const negate = a => {
   // your code here
+  return !a;
 };
 
 const both = (a, b) => {
   // your code here
+  return a && b;
 };
 
 const either = (a, b) => {
   // your code here
+  return a || b;
 };
 
 const none = (a, b) => {
   // your code here
+  return !a && !b;
 };
 
 const one = (a, b) => {
   // your code here
+  if (a || b || a) {
+    return true;
+  }
+  return false;
 };
 
 const truthiness = a => {
-  // your code here
+  // your code her
+  if (a) {
+    return true;
+  }
+  return false;
 };
 
 const isEqual = (a, b) => {
   // your code here
+  return a === b;
 };
 
 const isGreaterThan = (a, b) => {
   // your code here
+  return a > b;
 };
 
 const isLessThanOrEqualTo = (a, b) => {
   // your code here
+  return a <= b;
 };
 
 const isOdd = a => {
   // your code here
+  if (a % 2 !== 0) {
+    return true;
+  }
+  return false;
 };
 
 const isEven = a => {
   // your code here
+  if (a % 2 == 0) {
+    return true;
+    // eslint-disable-next-line no-else-return
+  } else {
+    return false;
+  }
 };
 
 const isSquare = a => {
   // your code here
+  return Math.sqrt(a) === Math.round(Math.sqrt(a));
 };
 
-const startsWith = (char, string) => {
+const startsWith = (string, char) => {
   // your code here
+  if (string.startsWith(char)) {
+    return true;
+  }
+  return false;
 };
 
-const containsVowels = string => {
-  // your code here
+const containsVowels = function(string) {
+ const vowels = ['a','e','i','o','u'];
+//  var stringLowercase = string.toLowerCase()
+ for(i = 0; i < vowels.length; i++){
+   if (vowels.includes(string.toLowerCase()[i])){
+      return true;
+   }
+  }
+  return false;
 };
 
 const isLowerCase = string => {
   // your code here
+  return string == string.toLowerCase() && string != string.toUpperCase();
 };
 
 module.exports = {
@@ -75,3 +114,8 @@ module.exports = {
   containsVowels,
   isLowerCase
 };
+
+// program to count the number of vowels in a string
+
+// defining vowels
+

src/dist/booleans.dev.js

@@ -0,0 +1,143 @@
+"use strict";
+
+/* eslint-disable func-names */
+var negate = function negate(a) {
+  // your code here
+  return !a;
+};
+
+var both = function both(a, b) {
+  // your code here
+  return a && b;
+};
+
+var either = function either(a, b) {
+  // your code here
+  return a || b;
+};
+
+var none = function none(a, b) {
+  // your code here
+  return !a && !b;
+};
+
+var one = function one(a, b) {
+  // your code here
+  if (a || b || a) {
+    return true;
+  }
+
+  return false;
+};
+
+var truthiness = function truthiness(a) {
+  // your code her
+  if (a) {
+    return true;
+  }
+
+  return false;
+};
+
+var isEqual = function isEqual(a, b) {
+  // your code here
+  return a === b;
+};
+
+var isGreaterThan = function isGreaterThan(a, b) {
+  // your code here
+  return a > b;
+};
+
+var isLessThanOrEqualTo = function isLessThanOrEqualTo(a, b) {
+  // your code here
+  return a <= b;
+};
+
+var isOdd = function isOdd(a) {
+  // your code here
+  if (a % 2 !== 0) {
+    return true;
+  }
+
+  return false;
+};
+
+var isEven = function isEven(a) {
+  // your code here
+  if (a % 2 == 0) {
+    return true; // eslint-disable-next-line no-else-return
+  } else {
+    return false;
+  }
+};
+
+var isSquare = function isSquare(a) {
+  // your code here
+  return Math.sqrt(a) === Math.round(Math.sqrt(a));
+};
+
+var startsWith = function startsWith(string, _char) {
+  // your code here
+  if (string.startsWith(_char)) {
+    return true;
+  }
+
+  return false;
+};
+
+var containsVowels = function containsVowels(string) {
+  var vowels = ["a", "e", "i", "o", "u"]; // convert vowels to same casing 
+
+  var _iteratorNormalCompletion = true;
+  var _didIteratorError = false;
+  var _iteratorError = undefined;
+
+  try {
+    for (var _iterator = string.toLowerCase()[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+      var letterInString = _step.value;
+
+      if (vowels.includes(letterInString)) {
+        return true;
+      }
+
+      return false;
+    } // your code here
+
+  } catch (err) {
+    _didIteratorError = true;
+    _iteratorError = err;
+  } finally {
+    try {
+      if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+        _iterator["return"]();
+      }
+    } finally {
+      if (_didIteratorError) {
+        throw _iteratorError;
+      }
+    }
+  }
+};
+
+var isLowerCase = function isLowerCase(string) {// your code here
+};
+
+module.exports = {
+  negate: negate,
+  both: both,
+  either: either,
+  none: none,
+  one: one,
+  truthiness: truthiness,
+  isEqual: isEqual,
+  isGreaterThan: isGreaterThan,
+  isLessThanOrEqualTo: isLessThanOrEqualTo,
+  isOdd: isOdd,
+  isEven: isEven,
+  isSquare: isSquare,
+  startsWith: startsWith,
+  containsVowels: containsVowels,
+  isLowerCase: isLowerCase
+}; // program to count the number of vowels in a string
+// defining vowels