Run results for: Object change vs change class

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36

Browser: Chrome 60

Operating system: Mac OS X 10.12.3

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
Change object value	6078399.0 Ops/sec
Change Var Value	5236690.5 Ops/sec
Change class with class	2730021.2 Ops/sec
Change class with no class	2773067.5 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