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Code Refactoring
BEFORE
function calculateTotal(items) { let total = 0; for (let i = 0; i < items.length; i++) { total += items[i].price * items[i].quantity; } return total; }
AFTER
const calculateTotal = (items) => { return items.reduce((total, item) => { return total + (item.price * item.quantity); }, 0); };
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