Benchmark: try/catch or if ?

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const alphabet = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};

Tests:

with if
const sessionParams = JSON.parse(sessionStorage.getItem('params')); if (Array.isArray(sessionParams)) { for (const param of sessionParams) { console.log('param', param); } } else { console.log('if error'); }
with try/catch
const sessionParams = JSON.parse(sessionStorage.getItem('params')); try { for (const param of sessionParams) { console.log('param', param); } } catch { console.log('catch error'); }

Rendered benchmark preparation results:

Previous results

Test case name	Result
with if
with try/catch

Latest run results:

Run details: (Test run date: 5 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser/OS: Firefox 147 on Windows

with if

182K/s

with try/catch

92K/s

View exact numbers

Test name	Executions per second
✓ with if	182,015 Ops/sec
with try/catch	92,357 Ops/sec

try/catch or if ? (version: 1)