Design Patterns · Senior · Question 74 of 75

Why are Value Objects useful for money amounts on the frontend?

const total = Money.of(1999, 'EUR').add(Money.of(500, 'EUR'));

• ✓Correct answer: They bundle amount and currency, enforce rules (no adding EUR to USD) and avoid floating-point mistakes by using minor units
• 2They make numbers faster
• 3They're required by Intl.NumberFormat