frontend-avond-javascript-oefeningen/variables.js

let shuttleName = 'Determination';
let shuttleSpeedMph = 17_000;
const DISTANCE_TO_MARS_KM = 225_000_000;
const DISTANCE_TO_MOON_KM = 384_400;
const MILES_PER_KM = 0.621;
const HOURS_PER_DAY = 24;

console.log(typeof shuttleName);
console.log(typeof shuttleSpeedMph);
console.log(typeof DISTANCE_TO_MARS_KM);
console.log(typeof DISTANCE_TO_MOON_KM);
console.log(typeof MILES_PER_KM);

let milesToMars = DISTANCE_TO_MARS_KM * MILES_PER_KM;
let hoursToMars = milesToMars / shuttleSpeedMph;
let daysToMars = hoursToMars / HOURS_PER_DAY;

console.log(shuttleName + ' will take ' + daysToMars + ' days to reach Mars.');

let milesToMoon = DISTANCE_TO_MOON_KM * MILES_PER_KM;
let hoursToMoon = milesToMoon / shuttleSpeedMph;
let daysToMoon = hoursToMoon / HOURS_PER_DAY;

console.log(shuttleName + ' will take ' + daysToMoon + ' days to reach Moon.');