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finished JavaScript #1

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157 changes: 149 additions & 8 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,34 +1,53 @@
/************************************************************** Task 1: Warm-up! **************************************************************/
//Task a: declare a variable called votingAge, console log true if age > 18 (no function required)

let votingAge= 18

if (votingAge < 18) {
console.log(false)
} else {
console.log(true)
}


console.log(typeof votingAge)

//Task b: declare a variable and then use a conditional to change the value of that variable based on the value assigned to a second variable (no function required)

let chocolate='dark';
let taste ='bad';
if(taste==='good'){
chocolate='dark';
}else if (taste==='bad'){
chocolate='milk';
}

console.log(chocolate);



//Task c: Convert string ("1999") to integer (1999) (no function required) // hint look up the Number method



console.log(Number('1999'))


//Task d: Write a function to multiply a*b
const mult = (a, b) => a * b

function multiply(a, b) {
console.log(a * b)

}


multiply(1, 2)

/************************************************************** Task 2 **************************************************************/
//Age in Dog years
//write a function that takes your age and returns it to you in dog years - they say that 1 human year is equal to seven dog years



function dogYears(age){
console.log(7 * age)
}
dogYears(25)


/************************************************************** Task 3 **************************************************************/
Expand All @@ -49,7 +68,34 @@

// when you are finished invoke your function with the weight of 15 lbs and the age of 1 year - if your calculations are correct your result should be 0.44999999999999996


function dogFeeder(weight, age){
if (weight <= 5 && age >= 1){
console.log(weight*.05);
}
else if (weight <= 10 && weight >= 6 && age >= 1){
console.log(weight*.04);
}
else if (weight >=15 && weight >= 11 && age >= 1){
console.log(weight*.03);
}
else if (weight > 15 && age >= 1){
console.log(weight*.02);
}
else if (age >= .16 && age <= .33){
console.log(weight*.10);
}
else if (age >= .34 && age <= .58){
console.log(weight*.5);
}
else if (age >= .59 && age <=1){
console.log(weight*.4);
}
else {
console.log('invalid parameters');
}
}

dogFeeder(15,1);



Expand All @@ -60,20 +106,57 @@
// use math.random to determine the computers choice
// hint while you can complete this with only conditionals based on strings it may help to equate choice to a number

// let computerChoice = Math.random();

// if (computerChoice <= 0.34){
// computerChoice = 'rock'
// }
// else if (computerChoice <=0.67){
// computerChoice= 'paper'
// }
// else if (computerChoice >= 0.67){
// computerChoice = 'sissors'
// }

// function rockPaperSissors(userChoice, computerChoice){

// if (userChoice === computerChoice){
// console.log('Draw')
// }
// else if (userChoice === 'rock' && computerChoice === 'sissors'){
// console.log('You Win!')
// }
// else if (userChoice === 'paper' && computerChoice === 'rock'){
// console.log('You Win!')
// }
// else {
// console.log('You Lose!')
// }
// }

// rockPaperSissors('rock', computerChoice);


/************************************************************** Task 5 **************************************************************/
//Metric Converter
//a. KM to Miles - should take the number of kilometers and convert it to the equal number of miles


function kmToMiles(km){
console.log(km * 0.621371)
}

kmToMiles(5)



//b. Feet to CM - should take the number of feet and convert it to the equal number of centimeters

function ftToCm(ft){
console.log(ft * 30.48)
}

ftToCm(5)



Expand All @@ -84,6 +167,15 @@



function annoyingSong (bottles) {
for (let i=bottles; i > 0; i--){
console.log(i + " bottles of soda on the wall " + i + " bottles of soda, take one down pass it around " + (i - 1) + " bottles of soda on the wall")
}
}

annoyingSong(99)




/************************************************************** Task 7 **************************************************************/
Expand All @@ -94,6 +186,25 @@
//70s should be Cs
//60s should be D
//and anything below 60 should be F

function grades(number){
if (number >= 90) {
console.log('A')
}
else if (number >=80 && number < 90){
console.log('B')
}
else if (number >=70 && number < 80){
console.log('C')
}
else if (number >=60 && number < 70){
console.log('D')
}
else {
console.log('F')
}

}



Expand All @@ -113,6 +224,36 @@
//update your rock papers sissors code below to take a prompt from a user using the window object



let computerChoice = Math.random();

if (computerChoice <= 0.34){
computerChoice = 'rock'
}
else if (computerChoice <=0.67){
computerChoice= 'paper'
}
else if (computerChoice >= 0.67){
computerChoice = 'sissors'
}

function rockPaperSissors(userChoice, computerChoice){

if (userChoice === computerChoice){
console.log('Draw')
}
else if (userChoice === 'rock' && computerChoice === 'sissors'){
console.log('You Win!')
}
else if (userChoice === 'paper' && computerChoice === 'rock'){
console.log('You Win!')
}
else {
console.log('You Lose!')
}
}

let userInput = prompt('Rock, Paper, or Sissors?')

rockPaperSissors(userInput, computerChoice);