Run results for: Optimisation

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Original	2806771.0 Ops/sec
Opti	5340543.0 Ops/sec

Script Preparation code:

var a = [{
    subChallenges: [{
        state: "ACCEPTED"
    }, {
        state: false
    }, {
        state: "ACCEPTED"
    }]
}, {
    subChallenges: [{
        state: "ACCEPTED"
    }, {
        state: false
    }, {
        state: false
    }]
}, {
    subChallenges: [{
        state: "ACCEPTED"
    }, {
        state: false
    }, {
        state: false
    }]
}, {
    subChallenges: [{
        state: "ACCEPTED"
    }, {
        state: "ACCEPTED"
    }, {
        state: "ACCEPTED"
    }]
}]

function Function_0(challenges) {
    let count = 0;
    if (challenges) {
        challenges.map((challenge) => {
            if (
                challenge.subChallenges &&
                challenge.subChallenges.filter(
                    (subChallenge) => subChallenge.state !== "ACCEPTED"
                ).length === 0
            )
                count++;
        });
    }
    return count;
}

function Function_1(challenges) {
    let count = 0;
    if (challenges) {
        let i = challenges.length;

        while (i--) {
            let challenge = challenges[i];

            if (!challenge.subChallenges) {
                continue;
            }

            let j = challenge.subChallenges.length,
                truthy = true;

            while (j--) {
                if (challenge.subChallenges.state !== "ACCEPTED") {
                    truthy = false;
                }
            }

            if (truthy) {
                count++
            }
        }
    }

    return count;
}

Tests:

Original
Function_0(a);
Opti
Function_1(a);

Run results for: Optimisation

Original

Opti