blob: 7e4882c8856172251770ccb39d40ef0d195e1b13 [file] [log] [blame]
<!DOCTYPE html>
<script src="../resources/runner.js"></script>
<div id="host">
<div id="child"></div>
</div>
<script>
const host = document.querySelector("#host");
const shadow_root = host.attachShadow({ mode: 'open', slotAssignment: 'manual' });
const slot1 = document.createElement("slot");
const child1 = document.createElement("child");
const child = document.querySelector("#child");
slot1.assign([child1]);
shadow_root.appendChild(slot1);
window.onload = function() {
PerfTestRunner.measureTime({
description: "Measure performance of insertBefore in manual-slotting mode in shadow root.",
run: function() {
const start = PerfTestRunner.now();
for (let i = 0; i < 100; i++) {
host.insertBefore(child1,child);
child1.remove();
}
return PerfTestRunner.now() - start;
}
});
}
</script>