Run results for: get all element's attributes

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:99.0) Gecko/20100101 Firefox/99.0

Browser: Firefox 99

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
getAttributeNames method	1787968.9 Ops/sec
attributes property	1363230.1 Ops/sec
getAttributeNames method no action	2534874.5 Ops/sec
attributes property no action	2020045.0 Ops/sec

HTML Preparation code:

<a id="id" class="button" href="/"></a>

Script Preparation code:

var el = document.getElementById('id')

Tests:

getAttributeNames method
for (var name of el.getAttributeNames()) { name + ':' + el.getAttribute(name) }
attributes property
for(var attr of el.attributes) { attr.name + ':' + attr.value }
getAttributeNames method no action
for (var name of el.getAttributeNames()) { }
attributes property no action
for(var attr of el.attributes) { }