variable vs read dom style

JavaScript performance comparison

Test case created by Josh

Preparation code

<div id="one" style="display:none"></div><script src=""></script>
Benchmark.prototype.setup = function() {
    var $div = $("#one"),
      breakpoint = 500,
      widthz = 300;

Preparation code output

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Testing in unknown unknown
Test Ops/sec
test display
$div[0].style.display === "none"
test greater than
widthz < breakpoint

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