25_total.js

// function , array, condition

const gas = [10, 10, 10, 10];
const food = [10, 100];

function calculateTotal(arr) {
 // loop
 let total = 0;
 for (let i = 0; i < arr.length; i++) {
 // for totally
 total += arr[i];
 }
 if (total > 100) {
 console.log('Total bigger than 40');
 } else {
 console.log('Total smaller then 40');
 }
 return total;
}

const gasTotal = calculateTotal(gas);
const foodTotal = calculateTotal(food);
console.log({
 gas: gasTotal,
 food: foodTotal,
});