jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
A performance comparison of document.write VS document.createElement
<script>
function writeTest() {
var newHTML = "<div><h1>Hi there!</h1></div>";
document.open();
document.write(newHTML);
document.close();
};
function elemTest() {
var newDiv = document.createElement("div");
newDiv.innerHTML = "<h1>Hi there!</h1>";
document.body.appendChild(newDiv);
};
</script>
Ready to run.
Test | Ops/sec | |
---|---|---|
document.write |
| ready |
document.createElement |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.