Run results for: Child Element Updating

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; Redmi 8) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Mobile Safari/537.36

Browser: Chrome Mobile 87

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Update after append	28292080.0 Ops/sec
Appending after update	30363900.0 Ops/sec

HTML Preparation code:

<div id='root'>

</div>

Script Preparation code:


var root = document.getElementById('root');

 var i = 0

Tests:

Update after append
for(;i<1000; i++){ var ee = document. createElement("span") root. appendChild(ee) ee. innerText= "Item" + i }
Appending after update
for(;i<1000; i++){ var ee = document. createElement("span") ee. innerText= "Item" + i root. appendChild(ee) }