Run results for: get all element's attributes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.55 Safari/537.36 Edg/96.0.1054.43

Browser: Chrome 96

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
getAttributeNames method	292768.3 Ops/sec
attributes property	369315.8 Ops/sec
getAttributeNames method no action	797082.4 Ops/sec
attributes property no action	526372.9 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) { }