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Jeffrey Orndorff MVP #1

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39b0add
Complete up to task 2
Jeffreyo3 Aug 10, 2020
c3dfdcc
Complete Task 3:feeder function
Jeffreyo3 Aug 10, 2020
fe64215
Complete Tasks 5 & 6
Jeffreyo3 Aug 10, 2020
9d135b4
Complete MVP
Jeffreyo3 Aug 11, 2020
c8f2592
Add RPS condition where computer & user select the same action
Jeffreyo3 Aug 11, 2020
a060b32
Fix spelling of scissors; make annoyingSong decremental loop rather t…
Jeffreyo3 Aug 11, 2020
39344e2
Re-write rps during demo
Jeffreyo3 Aug 12, 2020
b2f42f4
Update notes
Jeffreyo3 Aug 13, 2020
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284 changes: 212 additions & 72 deletions index.js
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Original file line number Diff line number Diff line change
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/************************************************************** Task 1: Warm-up! **************************************************************/
//Task a: declare a variable called votingAge, console log true if age > 18 (no function required)
let votingAge = 17;
let votingAgeA = 21;




console.log(votingAge > 18);
console.log(votingAgeA > 18);

//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 changeMe = 27;
let constant = 0;




console.log(changeMe);
if (changeMe > 21) {
changeMe = constant;
console.log(changeMe);
}

//Task c: Convert string ("1999") to integer (1999) (no function required) // hint look up the Number method
let year = "1999";
console.log(year);
year = Number(year);
console.log(year);

//Task d: Write a function to multiply a*b
function multiply(a, b) {
return a * b;
}




//Task d: Write a function to multiply a*b




console.log(multiply(2, 6));

/************************************************************** 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


//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 humanToDogYears(humanAge) {
return humanAge * 7;
}

console.log(humanToDogYears(30));

/************************************************************** Task 3 **************************************************************/
//Dog feeder
//Dog feeder
//takes weight in pounds and age in years (note if the dog is a puppy the age will be a decimal) and returns the number of pounds of raw food to feed in a day.

//feeding requirements
// adult dogs at least 1 year
// up to 5 lbs - 5% of their body weight
// 6 - 10 lbs - 4% of their body weight
// 11 - 15 lbs - 3% of their body weight
// > 15lbs - 2% of their body weight

// Puppies less than 1 year
// 2 - 4 months 10% of their body weight
// 4 - 7 months 5% of their body weight
// 7 - 12 months 4% of their body weight
function feeder(weight, age) {
// vvv adult dogs at least 1 year vvv
if (age >= 1) {
// up to 5 lbs - 5% of their body weight
if (weight <= 5) {
return weight * 0.05;
// 6 - 10 lbs - 4% of their body weight
} else if (weight > 5 && weight <= 10) {
return weight * 0.04;
// 11 - 15 lbs - 3% of their body weight
} else if (weight > 10 && weight <= 15) {
return weight * 0.03;
// > 15lbs - 2% of their body weight
} else {
return weight * 0.02;
}
// ^^^ adult dogs at least 1 year ^^^

// vvv Puppies less than 1 year vvv
} else {
if (age <= 0.16) {
return "Should be nursing or feeding with a bottle.";
// 2 - 4 months 10% of their body weight
} else if (age > 0.16 && age <= 0.333) {
return weight * 0.1;
// 4 - 7 months 5% of their body weight
} else if (age > 0.333 && age <= 0.583) {
return weight * 0.05;
// 7 - 12 months 4% of their body weight
} else {
return weight * 0.04;
}
}
// ^^^ Puppies less than 1 year ^^^
}

// test older than 1 & lowest weight
console.log(feeder(2, 2));
// test older than 1 & weight more than 5, less than 10
console.log(feeder(6, 2));
// test older than 1 & weight more than 11, less than 15
console.log(feeder(11, 2));
// test older than 1 & weight more than 15
console.log(feeder(80, 2));

// 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



console.log(feeder(15, 1));

// test younger than 2mo
console.log(feeder(15, 0.1));
// test older than 2mo, younger than 4mo
console.log(feeder(15, 0.17));
// test older than 4mo, younger than 7mo
console.log(feeder(15, 0.34));
// test older than 7mo
console.log(feeder(15, 0.88));

/************************************************************** Task 4 **************************************************************/
// Rock, Paper, Sissors
// Your function should take a string (either rock paper or sissors)
// Rock, Paper, Scissors
// Your function should take a string (either rock paper or scissors)
// it should return you won or you lost based on the rules of the game (you may need to look up the rules if you have not played before)
// 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



// 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


// input/user choice of rock/paper/scissors
function rps(userChoice) {
// generate a computer choice
const computerChoice = Math.floor(Math.random() * 3 + 1);
let userChoiceNum = 0;
// assign userChoice to a number based on rock paper scissors
if (userChoice === "rock") {
userChoiceNum = 1
} else if (userChoice === "paper") {
userChoiceNum = 2
} else if (userChoice === "scissors") {
userChoiceNum = 3
}

console.log(computerChoice)
console.log(userChoiceNum)


// compare computer choice with user choice determine a tie
if (computerChoice === userChoiceNum) {
console.log("Yay. a tie....")
return "Tie"
}
// determine when win/loss conditions are
else if (computerChoice === 1 && userChoiceNum === 3) {
console.log("You LOSE!")
return "Lose";
} else if (computerChoice === 3 && userChoiceNum === 1) {
console.log("You WIINNN!!")
return "Win";
} else if (computerChoice < userChoiceNum) {
console.log("You're a winner!")
return "Win";
}

// print to console results
}

rps("scissors")
console.log(rps("rock"))






// function RPS(string) {
// computerTurn = Math.floor(Math.random() * 3 + 1);
// let userTurn = 0;
// if (string === "rock") {
// userTurn = 1;
// } else if (string === "paper") {
// userTurn = 2;
// } else if (string === "scissors") {
// userTurn = 3;
// } else {
// return "Invalid turn";
// }

// if (computerTurn === userTurn) {
// return `Wow. Its a tie.`;
// } else if (computerTurn === 1 && userTurn === 3) {
// return `You lose: rock beats scissors`;
// } else if (computerTurn === 3 && userTurn === 1) {
// return `You win!: rock beats scissors`;
// } else if (computerTurn < userTurn) {
// return `You win!`;
// } else {
// return `You lose!`;
// }
// }
// console.log(RPS("rock"));
// console.log(RPS("paper"));
// console.log(RPS("scissors"));

/************************************************************** 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) {
return km / 1.609344;
}
console.log(kmToMiles(1));

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



function ftToCM(ft) {
return ft * 30.48;
}
console.log(ftToCM(2));

/************************************************************** Task 6 **************************************************************/
// 99 bottles of soda on the wall
// create a function called annoyingSong
// the function should take a starting number as an argument and count down - at each iteration it should log (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(number) {
for (i = number; i >= 0; i--) {
if (i === 0) {
console.log(`There are ${i} bottles of soda on the wall.`);
} else {
console.log(
`${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(10);
/************************************************************** Task 7 **************************************************************/
//Grade Calculator
//write a javaScript program that takes a mark out of 100 and returns a corisponding letter grade
//90s should be A
//80s should be B
//70s should be Cs
//60s should be D
//write a javaScript program that takes a mark out of 100 and returns a corisponding letter grade
//90s should be A
//80s should be B
//70s should be Cs
//60s should be D
//and anything below 60 should be F




function gradeCalculator(percent) {
if (percent === 100) {
return "A+";
} else if (percent < 100 && percent >= 90) {
return "A";
} else if (percent < 90 && percent >= 80) {
return "B";
} else if (percent < 80 && percent >= 70) {
return "C";
} else if (percent < 70 && percent >= 60) {
return "D";
} else {
return "F";
}
}
console.log(gradeCalculator(93)); // A
console.log(gradeCalculator(63)); // D
console.log(gradeCalculator(73)); // C
console.log(gradeCalculator(88)); // B
console.log(gradeCalculator(90)); // A
console.log(gradeCalculator(60)); // D
console.log(gradeCalculator(50)); // F
console.log(gradeCalculator(100)); // A+

/************************************************************** Stretch **************************************************************/
//Create a function that counts the number of vowels within a string. It should handle both capitalized and uncapitalized vowels.
// Hint - you may need to study tomorrow's traning kit on arrays
// Hint - you may need to study tomorrow's traning kit on arrays
// try looking up the .includes() method





/************************************************************** Stretch **************************************************************/
//Take Rock, Paper, Sissors further
//update your rock papers sissors code below to take a prompt from a user using the window object





//Take Rock, Paper, scissors further
//update your rock papers scissors code below to take a prompt from a user using the window object