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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<meta charset="utf-8">
<head>
<title>accessibility perf for dhtml</title>
<script src="resource://talos-powers/TalosContentProfiler.js"></script>
<script>
/* globals initAccessibility */
// based on: http://hacks.mozilla.org/2010/05/better-performance-with-lazy-frame-construction/
var ppDate = null;
var startTime;
function doInsertion() {
if (!initAccessibility()) {
dump("__FAILinit:AccessibilityUnvailable__FAIL");
return;
}
TalosContentProfiler.resume("a11y: Begin dhtml test", true).then(() => {
var container = document.getElementById("container");
var lastchild = document.getElementById("lastchild");
startTime = window.performance.now();
var i, div;
for (i = 0; i < 2000; i++) {
div = document.createElement("div");
div.innerHTML = "<input type='text' value='a bc def g hijkl mn op qrs'/>";
container.insertBefore(div, lastchild);
}
for (i = 0; i < 2000; i++) {
div = document.createElement("div");
div.innerHTML = "<ul><li>foo<ul><li>bar</li></ul></li><li>baz</li></ul>";
container.insertBefore(div, lastchild);
}
for (i = 0; i < 2000; i++) {
div = document.createElement("div");
// eslint-disable-next-line no-unsanitized/property
div.innerHTML = "<div role='progressbar'>progressbar</div>" +
"<span id='span" + i + "'>cb</span>";
container.appendChild(div);
}
document.documentElement.offsetLeft; // flush layout
setTimeout(postProcessingRecord, 0, startTime);
});
}
function postProcessingRecord(start) {
let delta = window.performance.now() - start;
TalosContentProfiler.pause("a11y: dhtml test", true, startTime).then(() => {
tpRecordTime(delta, window.performance.timing.navigationStart + start);
});
}
</script>
</head>
<body onload="doInsertion();">
<div id="container" role="application"><div id="lastchild"></div></div>
</body>
</html>
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