createelement vs innerhtml

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<div id="test" />
<script>
Benchmark.prototype.setup = function() {
    var elements = 100;
    var target = document.getElementById("test");
};

Benchmark.prototype.teardown = function() {
    $("#test").empty()
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
createElement
var div;
for (var i = 0; i < elements; i += 1) {
div = document.createElement("div");
div.innerHTML = "<div><span>"+i+"</span></div>";
  target.appendChild(div);
}
pending…
innerHTML
var html = [];
for (var i = 0; i < elements; i += 1) {
  html.push("<div><span>"+i+"</span></div>");
}
target.innerHTML = html.join("");
pending…

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