Run results for: clear element using replaceChildren vs removeChild

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0

Browser: Firefox 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

fragment

1.7M/s

replace

1000K/s

View exact numbers

Test name	Executions per second
✓ fragment	1,682,954 Ops/sec
replace	999,792 Ops/sec

HTML Preparation code:

<div id="container">
  <div>Foo</div>
  <div>Bar</div>
</div>

Script Preparation code:

const container = document.getElementById("container");

Tests:

removeChild
while (container.firstChild) { container.removeChild(container.firstChild); }
replaceChildren
container.replaceChildren()