Run results for: JQuery DOM Traversal vs JQuery Selectors

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

JQuery CSS selectors - absolute

432K/s

JQuery CSS selectors - partially absolute

426K/s

JQuery CSS selectors - descendants

419K/s

JQuery DOM traversal - partially segmented 1

363K/s

JQuery DOM traversal - fully segmented

316K/s

JQuery DOM traversal - partially segmented 2

254K/s

View exact numbers

Test name	Executions per second
✓ JQuery CSS selectors - absolute	431,730 Ops/sec
JQuery CSS selectors - partially absolute	426,472 Ops/sec
JQuery CSS selectors - descendants	418,668 Ops/sec
JQuery DOM traversal - partially segmented 1	362,561 Ops/sec
JQuery DOM traversal - fully segmented	315,789 Ops/sec
JQuery DOM traversal - partially segmented 2	253,834 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>
<div id="something">
    <div id="something-inner">
        <div class="item">
            <p class="itemPara"></p>
        </div>
        <div class="item">
            <p class="itemPara"></p>
        </div>
        <div class="item">
            <p></p>
        </div>
    </div>
    <div id="something-inner-another"></div>
</div>

Tests:

JQuery DOM traversal - fully segmented
$('#something').find('#something-inner').find('.item').find('.itemPara');
JQuery DOM traversal - partially segmented 1
$('#something').find('#something-inner').find('.item .itemPara');
JQuery DOM traversal - partially segmented 2
$('#something #something-inner').find('.item .itemPara');
JQuery CSS selectors - descendants
$('#something #something-inner .item .itemPara');
JQuery CSS selectors - partially absolute
$('#something #something-inner .item>.itemPara');
JQuery CSS selectors - absolute
$('#something>#something-inner>.item>.itemPara');