Stone cogswell

__tests__/index.test.js

@@ -1,59 +1,57 @@
 import functions from '../index';
 
-describe('fooFunction', ()=>{
-    it('foo returns foo', ()=>{
+describe('fooFunction', () => {
+    it('foo returns foo', () => {
         expect(functions.foo()).toBe('bar');
     })
 });
 
-describe('multiplyFunction', ()=>{
-    it('a * b', ()=>{
+describe('multiplyFunction', () => {
+    it('a * b', () => {
         expect(functions.multiply(5, 7)).toBe(35);
     })
 });
 
-describe('dogYearsFunction', ()=>{
-    it('returns humanYears * 7', ()=>{
+describe('dogYearsFunction', () => {
+    it('returns humanYears * 7', () => {
         expect(functions.dogYears(5)).toBe(35);
     })
 });
 
-describe('hungryDogFunction', ()=>{
-    it('returns weight * x based on age and weight', ()=>{
+describe('hungryDogFunction', () => {
+    it('returns weight * x based on age and weight', () => {
         expect(functions.hungryDog(15, 1)).toBe(0.44999999999999996);
     })
 });
-describe('gameFunction', ()=>{
-    it('return win, lose or tie', ()=>{
-        expect(functions.game('rock', 'sissors')).toBe('you win!');
+describe('gameFunction', () => {
+    it('return win, lose or tie', () => {
+        expect(functions.game('rock', 'scissors')).toBe('you win!');
     })
-    it('return win, lose or tie', ()=>{
+    it('return win, lose or tie', () => {
         expect(functions.game('rock', 'paper')).toBe('you lose!');
     })
-    it('return win, lose or tie', ()=>{
+    it('return win, lose or tie', () => {
         expect(functions.game('rock', 'rock')).toBe(`it's a tie`);
     })
 });
-describe('milesFunction', ()=>{
-    it('return km * 0.621371', ()=>{
+describe('milesFunction', () => {
+    it('return km * 0.621371', () => {
         expect(functions.miles(10)).toBe(6.21371);
     })
 });
 
-describe('feetFunction', ()=>{
-    it('return cm / 30.48', ()=>{
+describe('feetFunction', () => {
+    it('return cm / 30.48', () => {
         expect(functions.feet(160)).toBe(5.2493438320209975);
     })
 });
-describe('annoyingSongFunction', ()=>{
-    it('a string that counts down based on the number imputted', ()=>{
+describe('annoyingSongFunction', () => {
+    it('a string that counts down based on the number imputted', () => {
         expect(functions.annoyingSong(5)).toBe(`${5} bottles of soda on the wall, ${5} bottles of soda, take one down pass it around ${5 - 1} bottles of soda on the wall`);
     })
 });
-describe('gradeFunction', ()=>{
-    it('return letter grade based on number', ()=>{
+describe('gradeFunction', () => {
+    it('return letter grade based on number', () => {
         expect(functions.grade(85)).toBe('you got a B');
     })
-});
-
-
+});

index.js

@@ -17,8 +17,10 @@ Do the following:
 
    HINT: no function required
 */
-
-
+const votingAge = 22; // sets votingAge to 22 
+if (votingAge >= 18) { //  votingAge has to be greater than or equal to 18 to be true, or else it will be false
+    console.log(true);
+}
 
 /*
 Task 1b - Values
@@ -30,9 +32,12 @@ Do the following:
 
    HINT: no function required
 */
-
-
-
+let variable1 = 1;
+let variable2 = 2;
+if (variable2 === 2) { // since variable2 does equal 2, the new value for variable1 will be logged
+    variable1 = 3;
+    console.log(variable1);
+}
 
 
 /*
@@ -45,7 +50,13 @@ Do the following:
 
    HINT: look up the Number method
 */
-
+let stringValue = '1999';
+let numValue = parseInt(stringValue, 10); // best practice is to always pass the radix, decimal system uses a radix of 10
+if (numValue === 1999) {
+    console.log(numValue)
+} else {
+    console.error('Did not get expected result');
+}
 
 
 
@@ -58,11 +69,11 @@ Do the following:
    3. Multiply a and b and return the answer
 */
 
-function multiply(/*add your code here*/){
-    /*add your code here*/
-  }
-
+function multiply(a, b) {
+    return a * b;
+}
 
+console.log(multiply(5, 4));
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 2 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
 
@@ -74,11 +85,11 @@ Do the following:
    3. Return the newly calculated age
 */
 
-function dogYears(/*add your code here*/){
-    /*add your code here*/
+function dogYears(age) {
+    return age * 7;
 }
 
-
+console.log(dogYears(11));
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 3 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
 
@@ -105,33 +116,74 @@ Use the hungryDog function and feeding requirements below to do the following:
      7 - 12 months 4% of their body weight
 
   NOTE: If done correctly, a weight of 15 lbs and age of 1 year would return 0.44999999999999996
-*/  
+*/
 
-function hungryDog(/*add your code here*/){
-    /*add your code here*/
-  }
+function hungryDog(weightInPounds, ageInYears) {
+    if (ageInYears >= 1) {
+        if (weightInPounds > 15) {
+            return weightInPounds * .02;
+        } else if (weightInPounds > 10) {
+            return weightInPounds * .03;
+        } else if (weightInPounds > 5) {
+            return weightInPounds * .04;
+        } else {
+            return weightInPounds * .05;
+        }
+    } else { //Young dog
+        if (ageInYears >= 7 / 12) { //7 months is 7/12
+            return weightInPounds * .04;
+        } else if (ageInYears >= 4 / 12) {
+            return weightInPounds * .05;
+        } else {
+            return weightInPounds * .1;
+        }
+
+    }
+}
 
+console.log(hungryDog(15, 1));
 
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 4 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
-
 // Rock, Paper, Scissors - Let's play against the computer!
 /*
+Create a global variable that randomly generates the computer's choice
+Use Math.random to determine the computers choice (Math.random gives a random number between 0 and 1)
 Use the game function below to do the following:
-  1. Receive a string that represents the user's choice (either "rock", "paper", or "scissors")
-  2. Use Math.random to determine the computers choice (Math.random gives a random number between 0 and 1)
-  3. Return whether the user won, lost, or tied based on these rules of the game described below
-
+  1. Receive 2 parameters the user's choice and the computer's choice
+  2. Return whether the user won, lost, or tied based on these rules of the game described below
   RULES OF THE GAME: Scissors beats Paper | Paper beats Rock | Rock beats Scissors | Or there's a tie
-
   HINT: While you can complete this with only conditionals based on strings, it may help to equate choice to a number when using Math.random()
 */
-
-function game(/*add your code here*/){
-    /*add your code here*/
+let comChoice = Math.floor(Math.random() * 3.0); //assign 0, 1, or 2. Math.floor returns the largest integer less than or equal to a given number.
+
+const rock = 'rock';
+const paper = 'paper';
+const scissors = 'scissors';
+
+function game(userChoice, computerChoice) {
+    //console.log('userChoice=' + userChoice + ' computerChoice=' + computerChoice);
+    //console.log('rock=0, paper=1, scissors=2');
+    if (userChoice === computerChoice) {
+        return `it's a tie`;
+    } else if (userChoice === rock && computerChoice === scissors) {
+        return 'you win!';
+    } else if (userChoice === paper && computerChoice === rock) {
+        return 'you win!';
+    } else if (userChoice === scissors && computerChoice === paper) {
+        return 'you win!';
+    } else {
+        return 'you lose!';
+    }
+}
+if (comChoice === 0) {
+    console.log(game(paper, rock));
+} else if (comChoice === 1) {
+    console.log(game(paper, paper));
+} else {
+    console.log(game(paper, scissors));
 }
-
-
+
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 5 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
 
@@ -144,11 +196,11 @@ Using the miles function below do the following:
   3. Return the number of miles
 */
 
-function miles(/*add your code here*/){
-    /*add your code here*/
-  }
-
+function miles(km) {
+    return km * 0.621371;
+}
 
+console.log(miles(5));
 
 //Task 5b - Feet to CM
 /*
@@ -158,11 +210,11 @@ Using the feet function below do the following:
   3. Return number of centimeters
 */
 
-function feet(/*add your code here*/){
-    /*add your code here*/
-  }
-
+function feet(cm) {
+    return cm / 30.48;
+}
 
+console.log(feet(10));
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 6 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
 
@@ -174,10 +226,17 @@ Using the annoyingSong function below do the following:
       "(number) bottles of soda on the wall, (number) bottles of soda, take one down pass it around (number left over) bottles of soda on the wall"
 */
 
-function annoyingSong(/*add your code here*/){
-        /*add your code here*/
-  }
+function annoyingSong(number) {
+    return `${number} bottles of soda on the wall, ${number} bottles of soda, take one down pass it around ${number-1} bottles of soda on the wall`;
+    /*
+    while (number > 0) {
+    console.log(`${number} bottles of soda on the wall, ${number} bottles of soda, take one down pass it around ${number-1} bottles of soda on the wall`);
+    number--; // decreases number 1
+    }
+    */
 
+}
+console.log(annoyingSong(5));
 
 /*🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 7 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀*/
 
@@ -193,14 +252,24 @@ Using the grade function below do the following:
    60-69 =  D 
    below 60 = F
 */
-
-function grade(/*add your code here*/){
-    /*add your code here*/
-  }
-
-
-
-
+
+function grade(score) {
+    if (score >= 90) {
+        return 'you got a A';
+    } else if (score >= 80) {
+        return 'you got a B';
+    } else if (score >= 70) {
+        return 'you got a C';
+    } else if (score >= 60) {
+        return 'you got a D';
+    } else {
+        return 'you got a F';
+    }
+}
+
+console.log(grade(100));
+
+
 
 /*💪💪💪💪💪💪💪💪💪💪 Stretch 💪💪💪💪💪💪💪💪💪💪*/
 
@@ -213,21 +282,37 @@ Using the vowelCounter function below do the following:
   HINT - you may need to study tomorrow's content on arrays 
   HINT - try looking up the .includes() method
 */
-
-
-function vowelCounter(/*add your code here*/) {
-    /*add your code here*/
+let lowerVowels = ['a', 'e', 'i', 'o', 'u'];
+
+function vowelCounter(word) {
+    let lowerWord = word.toLowerCase();
+    console.log(lowerWord);
+    let count = 0;
+    for (let index = 0; index < lowerWord.length; index++) {
+        const lowerLetter = lowerWord[index];
+        if (lowerVowels.includes(lowerLetter)) {
+            count++;
+        }
+
+    }
+    return count;
 }
-
-
-
+console.log(vowelCounter('cool sEntEncE'));
+/*
+let myArray = ['H', 'E', 'L', 'L', 'O'];
+let myString = 'HELLO';
+let myNumber = 12345;
+console.log(myArray[1]);
+console.log(myString[1]);
+console.log(myNumber[1]); // this should error out because numbers don't have index accessors.
+*/
 /*🛑🛑🛑🛑🛑🛑🛑🛑🛑🛑 Please do not modify anything below this line 🛑🛑🛑🛑🛑🛑🛑🛑🛑🛑*/
-function foo(){
+function foo() {
     console.log('its working');
     return 'bar';
 }
 /*🛑🛑🛑🛑🛑🛑🛑🛑🛑🛑 Don't touch the code after this line! 🛑🛑🛑🛑🛑🛑🛑🛑🛑🛑*/
-export default{
+export default {
     foo,
     multiply,
     dogYears,
@@ -237,4 +322,4 @@ export default{
     feet,
     annoyingSong,
     grade
-}
+}