Interview question: javascript implement Promise.race

promiseRace.js

var promiseRace = (ps) => {
    return new Promise((resolve) => {
        for (var p of ps) {
            p.then(resolve)
        }
    })
}
describe("promiseRace", () => {
    it("1", () => {
        return promiseRace([
            new Promise((resolve) => {
                setTimeout(() => {
                    console.log("p1")
                    resolve()
                }, 200)
            }),
            new Promise((resolve) => {
                setTimeout(() => {
                    console.log("p2")
                    resolve()
                }, 100)
            })
        ]).then(() => {
            console.log("Finish")
        })
    })
})

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