Run results for: getAttribute vs direct access

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Android

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

direct access

192K/s

getAttribute

3K/s

View exact numbers

Test name	Executions per second
✓ direct access	192,334 Ops/sec
getAttribute	2,959 Ops/sec

HTML Preparation code:

<div id="foo" bar="bar"></div>

Tests:

getAttribute
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.getAttribute("bar"); }
direct access
var element = document.getElementById("foo"); var i = 10000; while (i--) { var foo = element.bar; }