Run results for: Object change vs change class

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.4.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Change object value	8401783.0 Ops/sec
Change Var Value	7222314.0 Ops/sec
Change class with class	5889300.0 Ops/sec
Change class with no class	6163892.5 Ops/sec

HTML Preparation code:

<div class="change" id="hasClass"></div>
<div class="" id="hasNoClass"></div>

Script Preparation code:

var object = {a: false, b: true};
var changeVar = false;
var changeVarCondition = true;
var hasClass = document.getElementById('hasClass').classList;
var hasNoClass = document.getElementById('hasNoClass').classList;

Tests:

Change object value
if (object.b == true) { object.a = true; }
Change Var Value
if (changeVarCondition == true) { changeVar = true; }
Change class with class
hasClass.remove('change');
Change class with no class
hasNoClass.remove('change');

Run results for: Object change vs change class

Change object value

Change Var Value

Change class with class

Change class with no class