Run results for: getElementById vs id vs wrapper vs global var toggling class

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/113.0

Browser: Firefox 113

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

HTML Preparation code:

<div id="test"></div>

Script Preparation code:

function $(id){return document.getElementById(id);};
var testdiv = document.getElementById("test");

Tests: