checkAttributeOrNot

JavaScript performance comparison

Revision 6 of this test case created

Preparation code

<div id="foo" class="bar">XXX<div>
<script>
Benchmark.prototype.setup = function() {
    var elem = document.getElementById("foo");
};
</script>

Preparation code output

XXX

Test runner

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Testing in unknown unknown
Test Ops/sec
check
if (elem.hasAttribute("class")) {
  elem.removeAttribute("class");
}
pending…
remove
elem.removeAttribute("class");
pending…
check dot notation
if (elem.class !== undefined) {
  elem.removeAttribute("class");
}
pending…

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