Benchmark: Closest performance: Class selector vs data attribute selector vs no result

HTML Preparation code:

<div>
    <div>
        <div>
            <div>
                <div class="gtm" data-gtm='test'>
                    <div>
                        <div>
                            <div class="clicked"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>


<script>
    Benchmark.prototype.setup = () => {
        const element = document.querySelector('.clicked');
    };
</script>

Tests:

Class selector
const result = element.closest('.gtm')
Data attribute selector
const result = element.closest('[data-gtm]')
No result
const result = element.closest('[data-gtm-noop]')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Class selector
Data attribute selector
No result

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5.1 Mobile/15E148 Safari/604.1

Browser/OS: Mobile Safari 16 on iOS 16.5.1

View result in a separate tab

Test name	Executions per second
Class selector	15176960.0 Ops/sec
Data attribute selector	12000340.0 Ops/sec
No result	6194825.0 Ops/sec

Closest performance: Class selector vs data attribute selector vs no result (version: 1)

Comparing performance of: Class selector vs Data attribute selector vs No result

Created: 9 months ago by: Registered User

Jump to the latest result

Class selector

Data attribute selector

No result

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A