Run results for: JS: replaceWith vs replaceChild2

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:129.0) Gecko/20100101 Firefox/129.0

Browser: Firefox 129

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one month ago

Test name	Executions per second
replaceWith	336827.3 Ops/sec
replaceChild	372624.4 Ops/sec

HTML Preparation code:

<div id="container"><p></p></div>

Script Preparation code:

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

Tests:

replaceWith
var paragraph = document.createElement("p"); var existingp = container.querySelector("p"); existingp.replaceWith(paragraph);
replaceChild
var paragraph = document.createElement("p"); var existingp = container.querySelector("p"); container.replaceChild(paragraph, existingp);