Run results for: jQuery .first() vs :first vs .filter(:first) vs .eq(0) vs $(.get(0)) vs $([0]) #4

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

.first()

521K/s

$([0])

473K/s

.eq(0)

444K/s

$(.get(0))

386K/s

.filter(:first)

237K/s

:first

200K/s

View exact numbers

Test name	Executions per second
✓ .first()	521,019 Ops/sec
$([0])	472,512 Ops/sec
.eq(0)	443,746 Ops/sec
$(.get(0))	385,634 Ops/sec
.filter(:first)	237,291 Ops/sec
:first	200,431 Ops/sec

HTML Preparation code:

<div class="container">
  <div class="inner"></div>
  <div class="inner"></div>
  <div class="inner"></div>
  <div class="inner"></div>
  <div class="inner"></div>
</div>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

.first()
$('.container .inner').first();
:first
$('.container .inner:first');
.filter(:first)
$('.container .inner').filter(':first');
.eq(0)
$('.container .inner').eq(0);
$(.get(0))
$($('.container .inner').get(0));
$([0])
$($('.container .inner')[0]);