Revision e4248bd6a97720b5a9e35e3d0ebb92a42c8c4af3 authored by Geoffrey Sneddon on 11 April 2018, 07:26:51 UTC, committed by Geoffrey Sneddon on 11 April 2018, 07:26:51 UTC
1 parent d44cd21
subframe-painting.html
<!DOCTYPE html>
<body>
<div id="image"></div>
<script>
const img = document.createElement('IMG');
img.src = 'circles.png';
img.onload = function() {
function sendPaintEntries() {
const paintEntries = performance.getEntriesByType('paint');
if (paintEntries.length < 2) {
setTimeout(sendPaintEntries, 20);
return;
}
let entryContents = paintEntries.length + '';
for (let i = 0; i < paintEntries.length; i++) {
const entry = paintEntries[i];
entryContents += ' ' + entry.entryType + ' ' + entry.name;
}
parent.postMessage(entryContents, '*');
};
sendPaintEntries();
};
document.getElementById('image').appendChild(img);
</script>
</body>
</html>
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