Run results for: innerHTML vs. replaceChildren (iframe insertion)

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
innerHTML	647.4 Ops/sec
replaceChildren	605.5 Ops/sec

HTML Preparation code:

<div class="adCont">
    <p>TestLabel</p>
    <h2>TestHeadline</h2>
</div>

Tests:

innerHTML
const adCont = document.querySelector(".adCont"); const obj = { width: 300, height: 250, entryPoint: "./path/to/iframe.html", }; adCont.innerHTML = `<iframe width="${obj.width}" height="${obj.height}" src="${obj.entryPoint}"></iframe>`;
replaceChildren
const adCont = document.querySelector(".adCont"); const obj = { width: 300, height: 250, entryPoint: "./path/to/iframe.html", }; const ADiframe = document.createElement("iframe"); ADiframe.width = obj.width; ADiframe.height = obj.height; ADiframe.src = obj.entryPoint; adCont.replaceChildren(ADiframe);