File: dynamic-change-with-slotted-text.html

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<!DOCTYPE HTML>
<html class="reftest-wait">
<link rel="help" href="https://issues.chromium.org/383593255">
<link rel="match" href="dynamic-change-with-slotted-text-ref.html">

<div>
$$\text{math}$$
after
<p></p>
</div>

<script>

let div = document.querySelector("div");
let shadow = div.attachShadow({mode: "open"});
shadow.innerHTML = "<slot style='display:block;content-visibility: hidden'></slot>";
let slot = shadow.querySelector("slot");

requestAnimationFrame(() => {
  getComputedStyle(div.querySelector("p")).width;
  let t1 = div.firstChild;
  let t2 = t1.splitText(1);
  let t3 = t2.splitText(15);
  let d = document.createElement("div");
  d.innerText = "math";
  t2.replaceWith(d);
  requestAnimationFrame(() => {
    slot.style.contentVisibility = "";
    document.documentElement.classList.remove("reftest-wait");
  });
});
</script>