anything

src/01-functions.js

@@ -9,7 +9,9 @@
  *  alwaysTrue();
  *  //> true
  */
-function alwaysTrue() {}
+function alwaysTrue() {
+  return true;
+}
 
 /**
  * greet()
@@ -24,7 +26,9 @@ function alwaysTrue() {}
  *  greet("Ian");
  *  //> "Hello, Ian."
  */
-function greet() {}
+function greet(name) {
+  return `Hello, ${name}.`
+}
 
 /**
  * add()
@@ -39,7 +43,9 @@ function greet() {}
  *  add(10, 20);
  *  //> 30
  */
-function add() {}
+function add(a, b) {
+  return a + b 
+}
 
 /**
  * multiply()
@@ -54,7 +60,9 @@ function add() {}
  *  multiply(2, 5);
  *  //> 10
  */
-function multiply() {}
+function multiply(a,b) {
+  return a * b
+}
 
 /**
  * average()
@@ -74,7 +82,11 @@ function multiply() {}
  *  average(10, 6);
  *  //> 8 // 10 + 6 = 16; 16/2 = 8;
  */
-function average() {}
+function average(a,b) {
+  let sum = a + b 
+
+  return sum / 2
+}
 
 /**
  * averageThree()
@@ -93,7 +105,9 @@ function average() {}
  *  averageThree(10, 11, 19);
  *  //> 10 // 10 + 11 + 19 = 30; 30 / 3 = 10;
  */
-function averageThree() {}
+function averageThree(a,b,c) {
+  return (a + b + c)/3
+}
 
 /**
  * compareTypes()
@@ -112,7 +126,7 @@ function averageThree() {}
  *  compareTypes("left", 10);
  *  //> false
  */
-function compareTypes() {}
+function compareTypes(a,b) {}
 
 /**
  * flipSign()
@@ -131,7 +145,8 @@ function compareTypes() {}
  *  flipSign(50);
  *  //> -50
  */
-function flipSign() {}
+function flipSign(a) {
+}
 
 /**
  * joinStringsWithSpaces()
@@ -151,7 +166,8 @@ function flipSign() {}
  *  joinStringsWithSpaces("left", "right", "up", "down", "away");
  *  //> "left right up down away"
  */
-function joinStringsWithSpaces() {}
+function joinStringsWithSpaces(a,b,c,d,e) {
+}
 
 /**
  * getFirstAndLastCharacter()
@@ -168,7 +184,7 @@ function joinStringsWithSpaces() {}
  *  getFirstAndLastCharacter("upwards");
  *  //> "us"
  */
-function getFirstAndLastCharacter() {}
+function getFirstAndLastCharacter(a) {}
 
 // Do not change the code below.
 module.exports = {

src/02-data-types.js

@@ -9,7 +9,9 @@
  *  getLengthOfString("down");
  *  //> 4
  */
-function getLengthOfString(str) {}
+function getLengthOfString(str) {
+  return str.length
+}
 
 /**
  * convertToNumber()
@@ -22,7 +24,9 @@ function getLengthOfString(str) {}
  *  convertToNumber("111");
  *  //> 111
  */
-function convertToNumber(val) {}
+function convertToNumber(val) {
+  return Number(val)
+}
 
 /**
  * convertToString()
@@ -36,7 +40,9 @@ function convertToNumber(val) {}
  *  convertToString(99);
  *  //> "99"
  */
-function convertToString(val) {}
+function convertToString(val) {
+  return val.toString()
+}
 
 /**
  * convertToShoutingText()
@@ -49,7 +55,9 @@ function convertToString(val) {}
  *  convertToShoutingText("Hello There");
  *  //> "HELLO THERE"
  */
-function convertToShoutingText(text) {}
+function convertToShoutingText(text) {
+  return text.toUpperCase();
+}
 
 /**
  * convertToWhisperText()
@@ -62,7 +70,9 @@ function convertToShoutingText(text) {}
  *  convertToWhisperText("Hello There");
  *  //> "hello there"
  */
-function convertToWhisperText(text) {}
+function convertToWhisperText(text) {
+  return text.toLowerCase();
+}
 
 /**
  * checkIfCharacterIsInString()
@@ -79,7 +89,9 @@ function convertToWhisperText(text) {}
  *  checkIfCharacterIsInString("hello there", "a");
  *  //> false
  */
-function checkIfCharacterIsInString(text, character) {}
+function checkIfCharacterIsInString(text, character) {
+  return text.includes(character)
+}
 
 /**
  * isEven()
@@ -127,7 +139,9 @@ function isOdd(num) {}
  *  isTruthy(null);
  *  //> false
  */
-function isTruthy(val) {}
+function isTruthy(val) {
+
+}
 
 /**
  * isFalsy()

src/03-control-flow.js

@@ -14,7 +14,13 @@
  *  isEqual(10, "10");
  *  //> false
  */
-function isEqual(a, b) {}
+function isEqual(a, b) {
+  if(a === b){
+    return true
+  } else {
+    return false
+  }
+}
 
 /**
  * findLarger()
@@ -28,7 +34,13 @@ function isEqual(a, b) {}
  *  findLarger(19, 7);
  *  //> 19
  */
-function findLarger(a, b) {}
+function findLarger(a, b) {
+  if(a > b){
+    return a
+  } else if (b > a) {
+    return b 
+  }
+}
 
 /**
  * findLargerOrTie()
@@ -45,7 +57,15 @@ function findLarger(a, b) {}
  *  findLargerOrTie(0, 0);
  *  //> "tie"
  */
-function findLargerOrTie(a, b) {}
+function findLargerOrTie(a, b) {
+  if(a > b){
+    return a
+  } else if (b > a){
+    return b
+  }else if (a === b){
+    return "tie"
+  }
+}
 
 /**
  * positiveNegativeOrZero()
@@ -65,7 +85,17 @@ function findLargerOrTie(a, b) {}
  *  positiveNegativeOrZero(1);
  *  //> "Positive"
  */
-function positiveNegativeOrZero(a) {}
+function positiveNegativeOrZero(a) {
+  if(a === 0){
+    return "Zero"
+  } else if (a >= 1){
+    return "Positive"
+  } else if (a <= -1){
+    return "Negative"
+  } else {
+    return NaN
+  }
+}
 
 /**
  * aroundTheWorldGreeting()
@@ -86,7 +116,17 @@ function positiveNegativeOrZero(a) {}
  *  aroundTheWorldGreeting();
  *  //> "Hello World"
  */
-function aroundTheWorldGreeting(language) {}
+function aroundTheWorldGreeting(language) {
+  if(language === 'english'){
+    return 'Hello World'
+  } else if(language === 'spanish'){
+    return 'Hola Mundo'
+  }else if(language === 'german'){
+    return 'Hallo Welt'
+  } else {
+    return 'Hello World'
+  }
+}
 
 /**
  * aroundTheWorldGreetingWithSwitch()
@@ -163,7 +203,13 @@ function animalCounts(animal, numberOfAnimals) {}
  *  evenOrOdd(48);
  *  //> "Even"
  */
-function evenOrOdd(a) {}
+function evenOrOdd(a) {
+  if(a % 2 === 0){
+    return "Even"
+  } else {
+    return "Odd"
+  }
+}
 
 /**
  * evenOrOddWithTernary()
@@ -179,7 +225,10 @@ function evenOrOdd(a) {}
  *  evenOrOddWithTernary(8);
  *  //> "Even"
  */
-function evenOrOddWithTernary(a) {}
+function evenOrOddWithTernary(a) {
+  return a % 2 === 0 ? "Even":"Odd"
+
+}
 
 // Do not change any code below this line.
 module.exports = {

src/04-arrays.js

@@ -24,7 +24,13 @@ function createEmptyArray() {}
  *  createArrayWithTwoElements(true, false);
  *  //> [ true, false ]
  */
-function createArrayWithTwoElements(a, b) {}
+function createArrayWithTwoElements(a, b) {
+  let array = [];
+  array.push(a)
+  array.push(b)
+  return array
+
+}
 
 /**
  * getArrayLength()
@@ -37,7 +43,9 @@ function createArrayWithTwoElements(a, b) {}
  *  getArrayLength([ 10, 20, 30 ]);
  *  //> 3
  */
-function getArrayLength(array) {}
+function getArrayLength(array) {
+
+}
 
 /**
  * getFirstElementOfArray()
@@ -65,7 +73,9 @@ function getFirstElementOfArray(array) {}
  *  getLastElementOfArray([ null, undefined ]);
  *  //> undefined
  */
-function getLastElementOfArray(array) {}
+function getLastElementOfArray(array) {
+  return array[array.length-1]
+}
 
 /**
  * addElementToEndOfArray()
@@ -79,7 +89,10 @@ function getLastElementOfArray(array) {}
  *  addElementToEndOfArray([ 10 ], 9);
  *  //> [ 10, 9 ]
  */
-function addElementToEndOfArray(array, element) {}
+function addElementToEndOfArray(array, element) {
+  array.push(element)
+  return array
+}
 
 /**
  * removeElementFromEndOfArray()
@@ -135,7 +148,8 @@ function removeElementFromFrontOfArray(array) {}
  *  getMiddleElement([ 10, null, "30" ]);
  *  //> null
  */
-function getMiddleElement(array) {}
+function getMiddleElement(array) {
+}
 
 // Do not change any code below this line.
 module.exports = {