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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Firefox/58.0

Browser: Firefox 58

Operating system: Linux

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
.first()	17896.3 Ops/sec
:first	11821.1 Ops/sec
.filter(:first)	13568.4 Ops/sec
.eq(0)	17503.3 Ops/sec
$(.get(0))	17475.5 Ops/sec
$([0])	17226.8 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>

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]);