jQuery .attr() vs native attributes

JavaScript performance comparison

Test case created by Joshua Kehn

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<span id="run" some-attribute="true">Hello</span>
<script>
Benchmark.prototype.setup = function() {
    var $run = $("#run")
    var run = document.getElementById("run")
   
};
</script>

Preparation code output

Hello

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Testing in unknown unknown
Test Ops/sec
jQuery .attr()
$run.attr("some-attribute")
pending…
Native attributes
run.attributes["some-attribute"].value
pending…

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