Scroll Top Tests

JavaScript performance comparison

Revision 3 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 
<script>
Benchmark.prototype.setup = function() {
    var $window = $(window);
};
</script>

Preparation code output

Test runner

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Testing in unknown unknown
Test Ops/sec
Using Scroll Top
var getScrollPos = function () {
    return $window.scrollTop();
};

getScrollPos();
pending…
Optimized Scroll Top
var getScrollPos = function () {
    return window.scrollY || window.pageYOffset || $(window).scrollTop();
};

getScrollPos();
pending…
dom scrollTop
var getScrollPos = function () {
    return document.body.scrollTop;
};

getScrollPos();
pending…

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