the async function to execute.
the number of milliseconds to wait before rejecting the promise.
A promise that resolves with the result of the async function, or rejects with a TimeoutError if the function does not resolve within the specified timeout. 一个 promise，它将解析为异步函数的结果，或者如果在指定超时内函数未解析，则拒绝并抛出TimeoutError。
async function fetchData() {
const response = await fetch('https://example.com/data');
return response.json();
}
try {
const data = await withTimeout(fetchData, 1000);
console.log(data); // Logs the fetched data if `fetchData` is resolved within 1 second.
} catch (error) {
console.error(error); // Will log 'TimeoutError' if `fetchData` is not resolved within 1 second.
}
Executes an async function and enforces a timeout.
执行异步函数, 超时则强制拒绝