2019-03-28 15:42:28 +01:00
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<!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>reveal.js - Test Iframes</title>
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2020-03-06 20:12:20 +01:00
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<link rel="stylesheet" href="../dist/reveal.css">
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2020-04-22 11:37:04 +02:00
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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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2019-03-28 15:42:28 +01:00
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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>1</section>
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<section>2</section>
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<section>
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<iframe class="default-iframe" data-src="#"></iframe>
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<iframe class="preload-iframe" data-src="#" data-preload></iframe>
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</section>
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</div>
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</div>
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2020-05-04 10:39:37 +02:00
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<script src="../dist/reveal.js"></script>
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2019-03-28 15:42:28 +01:00
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<script>
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2020-03-07 18:19:08 +01:00
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Reveal.initialize({ viewDistance: 2 }).then( () => {
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2019-03-28 15:42:28 +01:00
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var defaultIframe = document.querySelector( '.default-iframe' ),
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preloadIframe = document.querySelector( '.preload-iframe' );
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QUnit.module( 'Iframe' );
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QUnit.test( 'Using default settings', function( assert ) {
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Reveal.slide(1);
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assert.strictEqual( defaultIframe.hasAttribute( 'src' ), false, 'not preloaded when within viewDistance' );
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Reveal.slide(2);
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assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
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Reveal.slide(1);
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assert.strictEqual( defaultIframe.hasAttribute( 'src' ), false, 'unloaded when slide becomes invisible' );
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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( preloadIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
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Reveal.slide(2);
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becoems visible' );
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Reveal.slide(0);
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), false, 'unloads outside of viewDistance' );
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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( defaultIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'preloaded within viewDistance' );
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Reveal.slide(2);
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assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
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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( defaultIframe.hasAttribute( 'src' ), false, 'not preloaded within viewDistance' );
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), false, 'not preloaded within viewDistance' );
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Reveal.slide(2);
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assert.strictEqual( defaultIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
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assert.strictEqual( preloadIframe.hasAttribute( 'src' ), true, 'loaded when slide becomes visible' );
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});
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} );
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</script>
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</body>
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</html>
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