Run results for: get all element's attributes

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Linux

Device Platform: Desktop

Date tested: 9 months ago

Benchmark engine: Benchmark.js

getAttributeNames method no action

8.1M/s

getAttributeNames method

4.4M/s

attributes property no action

1.4M/s

attributes property

1.2M/s

View exact numbers

Test name	Executions per second
✓ getAttributeNames method no action	8,083,761 Ops/sec
getAttributeNames method	4,405,297 Ops/sec
attributes property no action	1,440,394 Ops/sec
attributes property	1,163,231 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) { }