Run results for: exception flow control vs. if-else

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
try-catch control flow (no exception)	866366500.0 Ops/sec
try-catch control flow (thrown exception)	212873.2 Ops/sec
if-else (hits if)	865991400.0 Ops/sec
if-else (hits else)	855343700.0 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; }