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On testing different methods for preventing default event handling, I made the comment that neither would meaningfully impact performance, and I'd like to back that up with cold, hard data.

Two options under consideration are:

Use an Attribute:

 <a href="https://stackoverflow.com/q/8614438/1366033" 
    onclick="event.preventDefault()" target="_blank">onclick attribute</a>

Use an Event Handler:

<a href="https://stackoverflow.com/q/8614438/1366033" target="_blank" >jQuery handler</a>
<script>
    $("body").on("click", "a", function(e) { e.preventDefault() });
</script>

Demo in jsFiddle

I wanted to use jsPerf to run through the two test cases. However, the test cases differ in the the HTML setup as well as the execution of JavaScript.

Is there a way to include different HTML in the jsPerf runner?

JS Perf Test Cases

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    Even though it's technically a web app, you probably want to ask this at Stack Overflow. I see over 50 questions tagged jsperf, and many of them seem of a similar bent.
    – ale
    Commented Nov 18, 2016 at 4:19

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