加载中...
function runAsync (x) {
const p = new Promise(r => setTimeout(() => r(x, console.log(x)), 1000))
return p
}
function runReject (x) {
const p = new Promise((res, rej) => setTimeout(() => rej(`Error: ${x}`, console.log(x)), 1000 * x))
return p
}
Promise.all([runAsync(1), runReject(4), runAsync(3), runReject(2)])
.then(res => console.log(res))
.catch(err => console.log(err))
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