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<!DOCTYPE html>
<meta charset="utf-8" />
<title>HTML partial updates - declarative replace</title>
<link rel="help" href="https://github.com/WICG/declarative-partial-updates" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div marker="placeholder">
<?start name="placeholder">
<div id="placeholder-old">Old content</div>
<?end name="placeholder">
</div>
<template for="placeholder"><div id="placeholder">New content</div></template>
<script>
test(() => {
assert_equals(
document.getElementById("placeholder").textContent,
"New content",
);
}, "<template for> replace");
/*
test(() => {
const doc = document.implementation.createHTMLDocument();
doc.write('<div id="placeholder">Old content</div>');
assert_equals(doc.querySelector("#placeholder").innerText, "Old content");
doc.write('<template patchfor="placeholder">');
assert_equals(doc.querySelector("template"), null);
assert_equals(doc.querySelector("#placeholder").innerText, "");
doc.write('<span>New</span>');
assert_equals(doc.querySelector("#placeholder").innerText, "New");
doc.write('<span> content</span></template>');
assert_equals(doc.querySelector("#placeholder").innerText, "New content");
assert_equals(doc.querySelector("template"), null);
}, "<template patchfor> should work when chunked");
test(() => {
const doc = document.implementation.createHTMLDocument();
doc.write('<div id="placeholder">Old content</div>');
assert_equals(doc.querySelector("#placeholder").textContent, "Old content");
doc.write('<template patchfor="placeholder">');
doc.write('<div id=main>Hello ');
doc.write('main</div></template>');
assert_equals(doc.querySelector("#placeholder #main").textContent, "Hello main");
}, "<template patchfor> should work when elements are sliced in the middle");
*/
</script>
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