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Run results for:
array find vs some better
Compare the new ES6 spread operator with the traditional concat() method
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<iframe src="https://measurethat.net/Embed?id=572385" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
array find
448K/s
array some
438K/s
View exact numbers
Test name
Executions per second
✓
array find
447,609 Ops/sec
array some
438,262 Ops/sec
Script Preparation code:
// make large array const randomStringArray = Array.from({ length: 1000 }, () => Math.random().toString(36).substring(7)); randomStringArray.splice(500, 0, "string");
Tests:
array find
const b = randomStringArray.find(item => item === 'string');
array some
const b = randomStringArray.some(item => item === 'string');