Run results for: Check vs try...catch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Check and act conditionally	1979606.2 Ops/sec
Try and (deliberately) fail	108098.1 Ops/sec

HTML Preparation code:

<div class="container"></div>

Tests:

Check and act conditionally
var container=document.querySelector('div.container'); var deleteme=container.querySelector('div.deleteme'); if (deleteme !== null) container.removeChild(deleteme);
Try and (deliberately) fail
var container=document.querySelector('div.container'); try { container.removeChild(container.querySelector('div.deleteme')); } catch (e) {}