mirror of
https://github.com/gotenberg/gotenberg.git
synced 2026-07-02 08:27:41 +08:00
Julien Neuhart
47 lines
1.2 KiB
HTML
47 lines
1.2 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Paint-driven callbacks</title>
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<style>
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body {
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font-family: monospace;
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padding: 20px;
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}
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#target {
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width: 100px;
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height: 100px;
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background: #eee;
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}
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</style>
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</head>
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<body>
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<p id="raf">raf-pending</p>
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<p id="ro">ro-pending</p>
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<p id="io">io-pending</p>
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<div id="target">target</div>
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<script>
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requestAnimationFrame(function () {
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document.getElementById("raf").textContent = "raf-fired";
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});
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var target = document.getElementById("target");
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new ResizeObserver(function () {
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document.getElementById("ro").textContent = "ro-fired";
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}).observe(target);
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new IntersectionObserver(function () {
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document.getElementById("io").textContent = "io-fired";
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}).observe(target);
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// Signal Gotenberg to print after 2 s. Long enough for rAF / RO / IO
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// to have fired when the polyfill is active; short enough to keep
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// the test fast.
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setTimeout(function () {
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document.body.setAttribute("data-pdf-ready", "true");
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}, 2000);
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</script>
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</body>
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</html>
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