How do you handle errors with async/await in JavaScript?
Use try/catch around the await call. If the awaited promise rejects, the catch block runs. This is cleaner than .catch() with promise chains.
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More FAQs in Async/Await and the Event Loop in JavaScript
await pauses the async function and schedules the rest as a microtask. Control returns to the caller, who continues running synchronous code. When the stack is empty, the rest of the async function runs as a microtask.
Yes. async functions always return a promise. await pauses until a promise settles. The rest of the function after await runs as a microtask. async/await is syntactic sugar over promises.
Start all promises at once and await them together with Promise.all: const [a, b] = await Promise.all([fetchA(), fetchB()]). This is much faster than sequential await for independent operations.
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