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

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]);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
.first()
:first
.filter(:first)
.eq(0)
$(.get(0))
$([0])

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.158 Safari/537.36

Browser/OS: Chrome 80 on Mac OS X 10.12.6

View result in a separate tab

Test name	Executions per second
.first()	248014.0 Ops/sec
:first	135307.7 Ops/sec
.filter(:first)	151319.6 Ops/sec
.eq(0)	209237.5 Ops/sec
$(.get(0))	218762.6 Ops/sec
$([0])	228386.0 Ops/sec

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

Comparing performance of: .first() vs :first vs .filter(:first) vs .eq(0) vs $(.get(0)) vs $([0])

Created: 4 years ago by: Guest

Jump to the latest result

.first()

:first

.filter(:first)

.eq(0)

$(.get(0))

$([0])

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A