$('#id') vs $(document.getElementById(id))

JavaScript performance comparison

Revision 3 of this test case created by

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="id"></div>
      
<script>
Benchmark.prototype.setup = function() {
  var id, tag;

};
</script>

Preparation code output

<div id="id"></div>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
$ + sizzle
id  = $('#id');
tag = $('div');
pending…
$ + native
id  = $(document.getElementById('id'));
tag = $(document.getElementsByTagName('div'));
pending…
native
id  = document.getElementById('id');
tag = document.getElementsByTagName('div');
pending…
native 2
id  = document.querySelector('#id');
tag = document.querySelectorAll('div');
pending…
$ + native 2
id  = $(document.querySelector('#id'));
tag = $(document.querySelectorAll('div'));
pending…

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Revisions

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