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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= 4;
if (votingAge>18){
console.log(true)
} else{
console.log(false)
}
//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 age= 4;
let height= 5;
If (height>=2){
console.log(age++)
} if else (height<2)
console.log(age+2)
//Task c: Convert string ("1999") to integer (1999) (no function required) // hint look up the Number method (also javascript operators)
Number('1999');
//Task d: Write a function to multiply a*b
let multiply = function(a,b){
return a*b;}
console.log(multiply(5,7))
/************************************************************** 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
let dogsage = function(age){
return age*7;}
console.log(dogsage(20))
/************************************************************** Task 3 **************************************************************/
//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
// 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 (age,weight){
if (age>=1&&weight<=5){
console.log ('Your dog should eat'+ weight*0.05)
}else if(age>=1&&weight>=6&&weight<=10) {
console.log ('Your dog should eat'+ weight*0.04)
}else if(age>=1&&weight>=11&&weight<=15) {
console.log ('Your dog should eat'+ weight*0.03)
}else if(age>=1&&weight>15) {
console.log ('Your dog should eat'+ weight*0.02)
}else if(age>=0.17&&age<=0.33) {
console.log ('Your dog should eat'+ weight*0.1)
}else if(age>0.33&&age<=0.58) {
console.log ('Your dog should eat'+ weight*0.05)
}else if(age>0.58&&age<1) {
console.log ('Your dog should eat'+ weight*0.04)
}
}
dogFeeder(1,15)
/************************************************************** Task 4 **************************************************************/
// Rock, Paper, Sissors
// Your function should take a string (either rock paper or sissors)
// 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
let computer = Math.floor(Math.random()*3);
let player = prompt ("Please enter rock, paper, or scissors")
if (computer===0){
computer='rock'
} else if (computer===1){
computer='paper'
} else if (computer===2){
computer='scissors'
}
console.log(computer, player)
if (computer===player){
console.log ('It is a tie')
} else if (computer==='rock'&& player==='paper'){
console.log('you won')
} else if (computer==='rock'&& player==='scissors'){
console.log('you lose')
} else if (computer==='paper'&& player==='scissors'){
console.log('you won')
} else if (computer==='paper'&& player==='rock'){
console.log('you lose')
} else if (computer==='scissors'&& player==='paper'){
console.log('you lose')
} else if (computer==='scissors'&& player==='rock'){
console.log('you won')
} else {
console.log('error')
}
/************************************************************** Task 5 **************************************************************/
//Metric Converter
//a. KM to Miles - should take the number of kilometers and convert it to the equal number of miles
function converter(km){
return km/1.609
}
console.log(converter(15))
//b. Feet to CM - should take the number of feet and convert it to the equal number of centimeters
function converter(feet){
return feet*30.48
}
console.log(converter(25))
/************************************************************** 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 (num){
let bottles;
for (bottles = num; bottles>=1; bottles=bottles-1){
console.log(bottles+" bottles of soda on the wall, take one down pass it around")
console.log(bottles-1+" of soda left on the wall")
}
}
annoyingSong(99)
/************************************************************** 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
//and anything below 60 should be F
const mark = Math.floor(Math.random()*100)
if (mark>=90){
console.log ('Your grade is A')
}else if(mark>=80) {
console.log ('Your grade is B')
}else if(mark>=70) {
console.log ('Your grade is C')
}else if(mark>=60) {
console.log ('Your grade is D')
}else if(mark<60) {
console.log ('Your grade is F')
}
/************************************************************** 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
// 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