Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/fast/dom/HTMLTemplateElement/contentWrappers.html 

<!DOCTYPE html>
<template id="template"><span></span></template>
<script src="../../../resources/js-test.js"></script>
<script>
description('Test HTMLTemplateElement content node wrappers have the correct lifetime.');

if (!window.HTMLTemplateElement)
    testFailed('This test requires ENABLE(TEMPLATE_TAG)');

var template = document.getElementById('template');
var span = template.content.firstChild;
shouldBe('span.tagName', '"SPAN"');

span.expando = 'present';
shouldBe('span.expando', '"present"');

span = undefined;
gc();
span = template.content.firstChild;
shouldBe('span.tagName', '"SPAN"');
shouldBe('span.expando', '"present"');
</script>