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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

.closest(:selector);

272K/s

.parents(:selector).first();

258K/s

View exact numbers

Test name	Executions per second
✓ .closest(:selector);	272,321 Ops/sec
.parents(:selector).first();	257,764 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();