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Promise (III)

2022-04-23 17:03:00 【Endless cake】

How to use Promise?

        //all Requests made are successful only if they are all successful , There is a failure , All failed （ Return all request results Promise Array of ）
        const pAll = Promise.all([p1, p2, p3])
        pAll.then(
            values => {
                console.log('all onResolved', values)
            },
            reason => {
                console.log('all onRejected', reason)
            }
        )

        // Take the result of the first completed request . The first request to complete is success , Otherwise, it will be a failure （ Only return one Promise）
        const pRace = Promise.race([p1, p2, p3])

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