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Run results for:
Generator function vs array loop vs map
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 135
Operating system:
Android
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
generator
270.2 Ops/sec
map
402.4 Ops/sec
loop
655.4 Ops/sec
Tests:
generator
const array = [...Array(10000).keys()]; function* generator(iterator) { for (const el of iterator) { yield el + 1; } } [...generator(generator(generator(array)))].length;
map
const array = [...Array(10000).keys()]; function map(iterator) { return iterator.map(el => el + 1); } [...map(map(map(array)))].length;
loop
const array = [...Array(10000).keys()]; function loop(iterator) { const clone = []; for (let a = 0; a < iterator.length; a++) { clone.push(iterator[a] + 1); } return clone; } [...loop(loop(loop(array)))].length;