getElementsByTagName vs dom bypassing
JavaScript performance comparison
Preparation code
<div id="container">
<div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa</div></div></div> <div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa<div>aaaa</div> <div>aaaa<div id="blahblah">aaaa</div> <cfg id="doStuff1"/><div id="cfg_doStuff1">aaaa</div></div></div></div></div></div></div></div>
<div id="blahblah">aaaa</div> <cfg id="doStuff1"/><div id="cfg_doStuff1">aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div id="blahblah">aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div id="blahblah">aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <cfg id="doStuff1"/><div id="cfg_doStuff1">aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div id="blahblah">aaaa</div> <div>aaaa</div> <cfg id="doStuff1"/><div id="cfg_doStuff1">aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div> <div>aaaa</div>
</div>
<script>
Benchmark.prototype.setup = function() {
var container = document.getElementById('container');
};
</script>
Preparation code output
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Test runner
Warning! For accurate results, please disable Firebug before running the tests. (Why?)
Java applet disabled.
| Test | Ops/sec | |
|---|---|---|
bypassing |
|
pending… |
getElementsByTagName |
|
pending… |
Compare results of other browsers
Revisions
You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:
- Revision 1: published
- Revision 2: published
- Revision 3: published
- Revision 4: published
- Revision 5: published
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