Run results for: Several Some vs One Find

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36

Browser: Chrome 95

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Find1	3545240.2 Ops/sec
Find2	3544823.2 Ops/sec
Some1	3106454.2 Ops/sec
Some2	3068843.8 Ops/sec

Script Preparation code:

var arr = [{
    type: 'This Thing'
}, {
    type: 'Something Else'
}];
var arr2 = [{
    type: 'SomethingElse'
}, {
    type: 'Something Else'
}]

function _find(items) {
    let hasThisThing = false;
    let hasSomethingElse = false;

    return arr.find(item => {
        const isThisThing = item.type === 'This Thing';
        hasThisThing = hasThisThing || isThisThing;
        hasSomethingElse = hasSomethingElse || !isThisThing;

        return hasThisThing && hasSomethingElse;
    });
}

function _some(items) {
    let hasThisThing = arr.some(item => item.type === 'This Thing');
  	let hasSomethingElse;
    if (hasThisThing) {
        hasSomethingElse = arr.some(item => item.type !== 'This Thing');
    }

    return hasThisThing && hasSomethingElse;
}

Tests:

Find1
_find(arr)
Find2
_find(arr2)
Some1
_some(arr)
Some2
_some(arr2)

Run results for: Several Some vs One Find

Find1

Find2

Some1

Some2