Run results for: jQuery data VS jQuery attr data

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.0.0 Safari/537.36

Browser: Chrome 113

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
jQuery + data	399137.0 Ops/sec
jQuery + attr data	360478.7 Ops/sec

HTML Preparation code:

<script src="//code.jquery.com/jquery-3.4.0.slim.min.js"></script>
<div class="flag"></div>

Tests:

jQuery + data
var flag = $('.flag'); flag.data('flag','iran'); console.log( flag.data('flag') );
jQuery + attr data
var flag = $('.flag'); flag.attr('data-flag','iran'); console.log( flag.attr('data-flag') );