template-contentmethod-prepend-invalid-ref.html (870B)
1 <!DOCTYPE HTML> 2 <meta charset="utf-8" /> 3 <title>HTML partial updates - declarative prepend element</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 8 <div id="placeholder" contentname="placeholder"><span id="ref">old</span>content</div> 9 <template contentmethod="prepend"> 10 <div contentname="placeholder"><span>New </span><script id="removal-script"> 11 document.querySelector("#ref").remove(); 12 </script><span>Junk </span></div> 13 </template> 14 <script> 15 test(() => { 16 document.querySelector("#removal-script").remove(); 17 assert_equals(document.getElementById("placeholder").textContent, "New content"); 18 }, "If the first node is no longer a child of the parent during prepend, next insertions abort"); 19 </script>