Run results for: functions that uses an async function in Array.find() 2

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/25.0 Chrome/121.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

async function 1

48/s

async function 4

30/s

async function 9

27/s

View exact numbers

Test name	Executions per second
✓ async function 1	48 Ops/sec
async function 4	30 Ops/sec
async function 9	27 Ops/sec

Script Preparation code:

async function findAsync(arr, predicate) {
    const results = await Promise.all(arr.map(predicate));
    return arr[results.indexOf(true)];
}

async function findAsync4(arr, predicate) {
    let Promises = arr.map((item) => new Promise((resolve) => {
        if (predicate(item)) {
            resolve(item);
        }
    }));
    return new Promise((resolve, reject) => {
        Promises.map(p => {
            p.then(result => {
                if (result) {
                    resolve(result);
                    return;
                }
            });
        });
    });
}

async function findAsync9(arr, predicate) {
    let Promises = arr.map((item) => new Promise((resolve) => {
        if (predicate(item)) {
            resolve(item);
        }
    }));
    return await Promise.any(Promises);
}

var items = [...Array(100000).keys()].map((e) => {
    return {
        id: e,
    };
})

Tests:

async function 1
(async () => { let f = await findAsync(items, (e) => e.id === 95000); })();
async function 4
(async () => { let f = await findAsync4(items, (e) => e.id === 95000); })();
async function 9
(async () => { let f = await findAsync9(items, (e) => e.id === 95000); })();