Traverse from Cached Selector VS Id Selector

JavaScript performance comparison

Test case created by Jeremy Smith

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div>
  <div id="MyContainer" class="container">
    <button class="clickedButton">
    </button>
  </div>
</div>
      
<script>
Benchmark.prototype.setup = function() {
  var link = $('.clickedButton');

};
</script>

Preparation code output

<div> <div id="MyContainer" class="container"> <button class="clickedButton"> </button> </div> </div>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
From Cached Selector
var container = link.closest('.container');
pending…
From ID Selector
var container = $('#MyContainer');
pending…
from Native ID selector
var container = $(document.getElementById('MyContainer'));
pending…

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Revisions

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