15 Advanced TypeScript Tips for Development
1.Optional Chaining (?.): Optional chaining allows you to safely access nested properties or methods without worrying about null or undefined values. It short-circuits the evaluation if any intermediate property is null or undefined. const user = { name: 'John', address: { city: 'New York', postalCode: '12345' } }; const postalCode = user.address?.postalCode; console.log(postalCode); // Output: 12... »