Render in memory vs direct DOM insertion

JavaScript performance comparison

Revision 10 of this test case created by Sean

Preparation code

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

      
<script>
Benchmark.prototype.teardown = function() {
  $("body").html("");

};
</script>

Preparation code output

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Render in memory
var i = 20;
var domElmt = $("<div />");
while (i--) {
  domElmt.append("<div>a new div</div>");
}
$('body').append(domElmt);
pending…
Direct DOM insertion
var i = 20;
var domElmt = $("<div />").appendTo("body");
while (i--) {
  domElmt.append("<div>a new div</div>");
}
$('body').append(domElmt);
pending…
Direct DOM insertion to invisible element
var i = 20;
var domElmt = $("<div />").appendTo("body").css("display","none");
while (i--) {
  domElmt.append("<div>a new div</div>");
}
$('body').append(domElmt);
pending…

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Revisions

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