Run results for: jQuery parents() vs closest()

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

.closest(:selector);

691K/s

.parents(:selector).first();

516K/s

View exact numbers

Test name	Executions per second
✓ .closest(:selector);	690,583 Ops/sec
.parents(:selector).first();	516,457 Ops/sec

HTML Preparation code:

<div class="root">
    <div class="parent parent-1">
        <div class="parent parent-2">
            <div class="parent parent-3">
                <div class="child">
                    Child
                </div>
            </div>
        </div>
    </div>
</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Script Preparation code:

$('.child').parents('.root').eq(0);

Tests:

.parents(:selector).first();
$('.child').parents('.parent').first();
.closest(:selector);
$('.child').closest('.parent').first();