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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=501749" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 121
Operating system:
Android
Device Platform:
Mobile
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
.fill(undefined).map()
1.1M/s
.fill(true).map()
1.1M/s
.fill("").map()
1.1M/s
.fill(null).map()
1.1M/s
View exact numbers
Test name
Executions per second
✓
.fill(undefined).map()
1,141,504 Ops/sec
.fill(true).map()
1,137,588 Ops/sec
.fill("").map()
1,109,655 Ops/sec
.fill(null).map()
1,087,131 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);