Run results for: Check if Try-Catch block affects performance (In Chrome there is a warning: Not optimized: TryCatchStatement)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

With try-catch

722K/s

Without try catch

711K/s

View exact numbers

Test name	Executions per second
✓ With try-catch	722,458 Ops/sec
Without try catch	710,750 Ops/sec

Script Preparation code:

var arr = [];
var count = 1000;
for(var i = 0; i<count; i++)
{
  arr.push(i);
}

Tests:

Without try catch
var arrLen = arr.length; var sum = 0; for (var i = 0; i < arrLen; i++){ sum = arr[i]; }
With try-catch
try{ var arrLen = arr.length; var sum = 0; for (var i = 0; i < arrLen; i++){ sum = arr[i]; } } catch(e) { console.log(e.toString()); }