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Run results for:
@techsavvytravvy - fill then map (with null/undefined/"") vs array.from
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=501720" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.2.1
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
.fill(true).map()
442K/s
.fill(undefined).map()
437K/s
.fill(null).map()
428K/s
.fill("").map()
427K/s
View exact numbers
Test name
Executions per second
✓
.fill(true).map()
442,305 Ops/sec
.fill(undefined).map()
437,193 Ops/sec
.fill(null).map()
428,417 Ops/sec
.fill("").map()
426,593 Ops/sec
Tests:
.fill("").map()
Array(100).fill("").map((_, i) => i+i);
.fill(null).map()
Array(100).fill(null).map((_, i) => i+i);
.fill(undefined).map()
Array(100).fill(null).map((_, i) => i+i);
.fill(true).map()
Array(100).fill(true).map((_, i) => i+i);