jQuery.each vs jQuery(selector).each

JavaScript performance comparison

Test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<table>
  <tr>
  </tr>
  <tr>
  </tr>
  <tr>
  </tr>
</table>
<script>
Benchmark.prototype.setup = function() {
    var $tr = $("tr");
};
</script>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
$.each
$.each($tr, function() {});
pending…
$(selector).each
$tr.each(function() {});
pending…

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