getAttribute() vs firstChild.nodeValue

Benchmark created on

Preparation HTML

<p data-a="abc">
  abc
</p>

Test runner

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Testing in
TestOps/sec
getAttribute()
var test1 = document.getElementsByTagName("p")[0].getAttribute("data-a");
ready
firstChild.nodeValue
var test2 = document.getElementsByTagName("p")[0].firstChild.nodeValue;
ready

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