stream-append-with-template-contentmethod.html (807B)
1 <!DOCTYPE HTML> 2 <meta charset="utf-8" /> 3 <title>streamHTML methods can apply template with contentmethod</title> 4 <link rel=help href="https://github.com/WICG/declarative-partial-updates"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <body> 8 <div contentname=p id="placeholder">Old content</div> 9 <script> 10 promise_test(async t => { 11 const writable = document.body.streamAppendHTMLUnsafe(); 12 const writer = writable.getWriter(); 13 await writer.write('<template contentmethod="replace-children">'); 14 await writer.write("<div contentname=p>"); 15 await writer.write("New content"); 16 await writer.write("</div>"); 17 await writer.close(); 18 assert_equals(document.querySelector("#placeholder").textContent, "New content") 19 }); 20 </script>