2023-05-23 19:50:14 +02:00
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<!DOCTYPE html>
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2019-05-13 10:55:29 +02:00
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<html lang="en">
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2023-05-23 19:50:14 +02:00
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<head>
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<meta charset="utf-8" />
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<title>reveal.js - Test Iframe Backgrounds</title>
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<link rel="stylesheet" href="../dist/reveal.css" />
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<link rel="stylesheet" href="../node_modules/qunit/qunit/qunit.css" />
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<script src="../node_modules/qunit/qunit/qunit.js"></script>
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</head>
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<body style="overflow: auto">
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<div id="qunit"></div>
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<div id="qunit-fixture"></div>
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<div class="reveal" style="display: none">
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<div class="slides">
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<section data-background-iframe="https://revealjs.com">1</section>
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<section data-background-iframe="https://revealjs.com">2</section>
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<section data-background-iframe="https://revealjs.com" data-preload>
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3
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</section>
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<section data-background-iframe="https://revealjs.com">4</section>
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<section data-background-iframe="https://revealjs.com">5</section>
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<section data-background-iframe="https://revealjs.com">6</section>
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</div>
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</div>
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<script src="../dist/reveal.js"></script>
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<script>
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QUnit.config.testTimeout = 30000;
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Reveal.initialize({ viewDistance: 3 }).then(() => {
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function getIframe(index) {
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return document
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.querySelectorAll(".slide-background")
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[index].querySelector("iframe");
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}
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QUnit.module("Iframe");
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QUnit.test("Using default settings", function (assert) {
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Reveal.slide(0);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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false,
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"not preloaded when within viewDistance"
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);
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Reveal.slide(1);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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true,
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"loaded when slide becomes visible"
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);
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Reveal.slide(0);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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false,
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"unloaded when slide becomes invisible"
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);
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});
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QUnit.test("Using data-preload", function (assert) {
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Reveal.slide(1);
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assert.strictEqual(
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getIframe(2).hasAttribute("src"),
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true,
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"preloaded within viewDistance"
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);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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true,
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"loaded when slide becomes visible"
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);
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Reveal.slide(0);
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assert.strictEqual(
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getIframe(3).hasAttribute("src"),
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false,
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"unloads outside of viewDistance"
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);
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});
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QUnit.test("Using preloadIframes: true", function (assert) {
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Reveal.configure({ preloadIframes: true });
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Reveal.slide(1);
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assert.strictEqual(
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getIframe(0).hasAttribute("src"),
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true,
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"preloaded within viewDistance"
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);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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true,
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"preloaded within viewDistance"
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);
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assert.strictEqual(
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getIframe(2).hasAttribute("src"),
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true,
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"preloaded within viewDistance"
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);
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});
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QUnit.test("Using preloadIframes: false", function (assert) {
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Reveal.configure({ preloadIframes: false });
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Reveal.slide(0);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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false,
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"not preloaded within viewDistance"
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);
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assert.strictEqual(
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getIframe(2).hasAttribute("src"),
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false,
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"not preloaded within viewDistance"
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);
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Reveal.slide(1);
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assert.strictEqual(
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getIframe(1).hasAttribute("src"),
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true,
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"loaded when slide becomes visible"
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);
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});
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});
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</script>
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</body>
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2019-05-13 10:55:29 +02:00
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</html>
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