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Apprentice

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AsyncPatterns

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Exercises (20)

○Promise.resolve() returns a Promise
Beginner
○async function returns Promise
Beginner
○Promise.reject() returns a Promise
Intermediate
○.then returns a new Promise
Intermediate
○Promise executor runs synchronously
Advanced
○Promise.all returns Promise
Beginner
○Promise.allSettled returns Promise
Beginner
○Promise.race returns Promise
Intermediate
○Promise.any returns Promise
Intermediate
○Promise.all([]) resolves to array synchronously observable
Advanced
○async function returns Promise
Beginner
○async arrow function returns Promise
Beginner
○Promise.then callbacks are asynchronous (microtask)
Intermediate
○Executor runs sync, then handler is async
Intermediate
○async function with no return resolves undefined
Advanced
○.catch returns a Promise
Beginner
○.finally returns a Promise
Beginner
○Promise.reject creates rejected Promise
Intermediate
○async function returns Promise even with throw
Intermediate
○.catch after .then is a Promise
Advanced