Run results for: Some vs Find with bigger object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.54 Safari/537.36

Browser: Chrome 94

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Find first toto	12391454.0 Ops/sec
Some first toto	11092584.0 Ops/sec
Find first titi	1302.5 Ops/sec
Some first titi	1427.5 Ops/sec

Script Preparation code:

var data = []
var baseObject = {
    prop1: 'prop1',
    prop2: 'prop2',
    prop3: 'prop3',
    prop4: 'prop4',
    prop5: [{
        prop6: 'prop6',
        prop7: 'prop7'
    }, {
        prop8: 'prop8',
        prop9: 'prop9'
    }]
}

for (let i = 0; i < 5000; ++i) data.push({
    ...baseObject,
    index: i,
    username: 'toto'
})
data.push({
    username: 'titi'
})
for (let i = 0; i < 2500; ++i) data.push({
    ...baseObject,
    index: i,
    username: 'toto'
})

Tests:

Find first toto
data.find(e => e.username === 'toto')
Some first toto
data.some(e => e.username === 'toto')
Find first titi
data.find(e => e.username === 'titi')
Some first titi
data.some(e => e.username === 'titi')

Run results for: Some vs Find with bigger object

Find first toto

Some first toto

Find first titi

Some first titi