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Run results for:
Switch vs. dictionary
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=493212" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser:
Firefox 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Switch
25.1M/s
If
1.3M/s
View exact numbers
Test name
Executions per second
✓
Switch
25,131,478 Ops/sec
If
1,257,523 Ops/sec
Script Preparation code:
var random = Math.floor(Math.random() * 20);
Tests:
Switch
switch (random) { case 0: random = -Math.PI; break; case 1: random = Math.EPSILON; break; case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9: random = 1; break; case 10: case 11: case 12: random /= 5; break; case 13: case 14: case 15: case 16: case 17: random **= 2; break; case 18: random = 5; break; case 19: random = 28; break; case 20: random = 0; break; default: random = -1; break; }
If
const test = { 0: () => -Math.PI, 1: () => Math.EPSILON, 2: () => 1, 3: () => 1, 4: () => 1, 5: () => 1, 6: () => 1, 7: () => 1, 8: () => 1, 9: () => 1, 10: (rand) => rand / 5, 11: (rand) => rand / 5, 12: (rand) => rand / 5, 13: (rand) => rand ** 2, 14: (rand) => rand ** 2, 15: (rand) => rand ** 2, 16: (rand) => rand ** 2, 17: (rand) => rand ** 2, 18: () => 5, 19: () => 28, 20: () => 0, }; random = test[random]?.() || -1;