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Run results for:
exception flow control vs. if-else
A comparison between utilizing a thrown exception to control flow vs. an if-else.
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<iframe src="https://measurethat.net/Embed?id=611795" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0
Browser:
Firefox 140
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
if-else (hits else)
3620.5M/s
if-else (hits if)
3590.6M/s
try-catch control flow (no exception)
3051.0M/s
try-catch control flow (thrown exception)
1.2M/s
View exact numbers
Test name
Executions per second
✓
if-else (hits else)
3,620,512,512 Ops/sec
if-else (hits if)
3,590,598,912 Ops/sec
try-catch control flow (no exception)
3,050,983,936 Ops/sec
try-catch control flow (thrown exception)
1,195,114 Ops/sec
Tests:
try-catch control flow (no exception)
const ok = true; let res; try { if (!ok) { throw new Error('ok = false'); } res = 1 + 1; } catch (e) { res = 1 + 2; }
try-catch control flow (thrown exception)
const ok = false; let res; try { if (!ok) { throw new Error('ok = false'); } res = 1 + 1; } catch (e) { res = 1 + 2; }
if-else (hits if)
const ok = true; let res; if (ok) { res = 1 + 1; } else { res = 1 + 2; }
if-else (hits else)
const ok = false; let res; if (ok) { res = 1 + 1; } else { res = 1 + 2; }