Frontend-avond-javascript-oefeningen/while.js

let input = require('readline-sync');
let fuelLevel = 0;

while (true) {
	fuelLevel = input.question('Enter starting fuel level: ');
	if (fuelLevel >5_000 && fuelLevel < 30_000){
		break;
	}
}

let numAstronauts;
while(true) {
	numAstronauts = input.question('Enter the number of astronauts: ');

	numAstronauts = Number(numAstronauts);

	// dit is voor COMMAGETALLEN

	if (!Number.isInteger(numAstronauts)){
			continue;	}

	if(numAstronauts >= 1 && numAstronauts <= 7){
		break;
	}
}
let altitude = 0;
while(fuelLevel - 100 * numAstronauts >=0){
altitude += 50;
fuelLevel -= 100 * numAstronauts;
}

console.log(`Fuellevel ${fuelLevel}`)
console.log(`altitude ${altitude}`)