Benchmark: test setAttribute vs dataset

HTML Preparation code:

<div id="foo" data-foo="foo_id"></div>

Script Preparation code:

var element = document.getElementById("foo");

Tests:

getAttribute
let i = 1000; while(i--) element.setAttribute("data-foo", "foo_id_new_"+i);
dataset
let i = 1000; while(i--) element.dataset.foo ="foo_id_new_"+i;

Rendered benchmark preparation results:

Previous results

Test case name	Result
getAttribute
dataset

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Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser/OS: Chrome 119 on Mac OS X 10.15.7

Test name	Executions per second
getAttribute	2620.1 Ops/sec
dataset	1810.0 Ops/sec

test setAttribute vs dataset (version: 0)