Promise.allSettled
参考实现：Polyfill for Promise.allSettledopen in new window
Promise.allSettled = function (promises) {
let mappedPromises = promises.map((p) => {
return p
.then((value) => {
return {
status: 'fulfilled',
value,
};
})
.catch((reason) => {
return {
status: 'rejected',
reason,
};
});
});
return Promise.all(mappedPromises);
};
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