getHeatedWater.js

function getHeatedWater(water, temperature) {
	// Convert the water to a number
	const waterAsNumber = parseInt(water, 10);
	// We spilled some..
	const remainingWater = waterAsNumber - 10;
	// Make sure the temperature is in celcius
	if (temperature.indexOf("celcius") == -1){
		throw new Error("No imperial units allowed!");
	}
	return `Heated ${remainingWater} ml water to ${temperature}`;
}