Benchmark: jQuery data VS jQuery attr data

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') );

Rendered benchmark preparation results:

Previous results

Test case name	Result
jQuery + data
jQuery + attr data

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Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser/OS: Chrome 119 on Windows

Test name	Executions per second
jQuery + data	152817.6 Ops/sec
jQuery + attr data	148532.7 Ops/sec

jQuery data VS jQuery attr data (version: 1)