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Run results for:
concat() vs spread (...) for combining two arrays
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Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Mobile Safari/537.36 EdgA/143.0.0.0
Browser:
Chrome Mobile 143
Operating system:
Android
Device Platform:
Mobile
Date tested:
4 months ago
Test name
Executions per second
concat()
10960508.0 Ops/sec
spread
25384830.0 Ops/sec
Tests:
concat()
const a = [1, 2, 3, 4]; const b = [5, 6, 7, 8]; const result = a.concat(b);
spread
const a = [1, 2, 3, 4]; const b = [5, 6, 7, 8]; const result = [...a, ...b];