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Documentation: <amp-fx-collection> - amp.dev

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xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"><g fill="none" fill-rule="evenodd"><path fill="#FFF" d="M0 15c0 8.284 6.716 15 15 15 8.285 0 15-6.716 15-15 0-8.284-6.715-15-15-15C6.716 0 0 6.716 0 15z"/><path fill="#005AF0" fill-rule="nonzero" d="M13.85 24.098h-1.14l1.128-6.823-3.49.005h-.05a.57.57 0 0 1-.568-.569c0-.135.125-.363.125-.363l6.272-10.46 1.16.005-1.156 6.834 3.508-.004h.056c.314 0 .569.254.569.568 0 .128-.05.24-.121.335L13.85 24.098zM15 0C6.716 0 0 6.716 0 15c0 8.284 6.716 15 15 15 8.285 0 15-6.716 15-15 0-8.284-6.715-15-15-15z"/></g></symbol> </defs> </svg> <header class="ap--header " [class]="'ap--header ' + (mainmenuopen ? 'mainmenuopen' : '')" i-amphtml-binding> <div class="ap-o-header"> <a class="ap-o-header-home" href="/"> <svg class="ap-o-header-home-logo"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#logo"/></svg> <span class="ap-o-header-home-title">AMP</span> </a> <nav class="ap-o-header-main"> <div class="ap-o-header-main-item"> <button class="ap-o-header-main-link -tw "> About <div class="ap-a-ico ap-o-header-main-link-icon"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </div> </button> <ul class="ap-o-header-flyout"> <li class="ap-o-header-flyout-primary-item"> <a class="ap-o-header-flyout-primary-item-link websites" href="/about/websites/"> <div class="ap-o-header-flyout-primary-item-link-icon websites"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#amp-websites"/></svg> </div> <div class="ap-o-header-flyout-primary-item-link-info ap-o-header-flyout-primary-item-link-info-websites"> <div 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exit:slideTransition.start,slideTransition.reverse" intersection-ratios="1" layout="nodisplay" class="i-amphtml-layout-nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> </amp-position-observer> <amp-animation id="slideTransition" layout="nodisplay" class="i-amphtml-layout-nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> <script type="application/json">{"duration":"150ms","fill":"both","easing":"ease-out","iterations":"1","animations":[{"selector":".label-title","keyframes":[{"transform":"scale3d(0, 1, 1)"},{"transform":"scale3d(1, 1, 1)"}]}]}</script> </amp-animation> </div> <amp-user-notification class="-fv i-amphtml-layout-nodisplay" id="format-filter-hint" layout="nodisplay" hidden="hidden" i-amphtml-layout="nodisplay"> </amp-user-notification> <div class="-fd" aria-hidden="true"> <div class="-fm"> <div class="-fg">Select your format for a more streamlined experience</div> <button class="-fy" on="tap:format-filter-hint.dismiss"> <svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#close"/></svg> </button> </div> </div> <main class="ap--main -fb"> <div class="-tf"> <input class="-od ap-a-sidebar-mobile-toggle-input-sidebar" type="checkbox" name="sidebar" id="sidebar" autocomplete="off"> <input class="-om ap-a-sidebar-desktop-toggle-input-sidebar" type="checkbox" name="sidebar-desktop" id="sidebar-desktop" autocomplete="off"> <span id="ap--sidebar-content" class="-oy"></span> <section class="ap--toc"> <div class="ap-o-toc" [class]="contentmenuopen ? 'ap-o-toc contentmenuopen' : 'ap-o-toc'" i-amphtml-binding> <label class="ap-o-toc-toggle" for="toc" on="tap:AMP.setState({contentmenuopen: !contentmenuopen})" role="contentmenutrigger" tabindex="0"> <span class="ap-o-toc-hl">Table of contents</span> <span class="nav-icon"> <svg class="ap-a-ico"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> </label> <input class="-oh -of" type="checkbox" name="toc" id="toc" autocomplete="off"> <ul><li><a href="#usage">Usage</a></li> <li><a href="#apply-visual-effects">Apply visual effects</a><ul> <li><a href="#parallax">parallax</a><ul> <li><a href="#data-parallax-factor">data-parallax-factor</a></li> </ul> </li> <li><a href="#fade-in">fade-in</a><ul> <li><a href="#data-duration-(optional)">data-duration (optional)</a></li> <li><a href="#data-easing-(optional)">data-easing (optional)</a></li> <li><a href="#data-margin-start-(optional)">data-margin-start (optional)</a></li> </ul> </li> <li><a href="#fade-in-scroll">fade-in-scroll</a><ul> <li><a href="#data-margin-start-(optional)_1">data-margin-start (optional)</a></li> <li><a href="#data-margin-end-(optional)">data-margin-end (optional)</a></li> <li><a href="#data-repeat-(optional)">data-repeat (optional)</a></li> </ul> </li> <li><a href="#float-in-top,-float-in-bottom">float-in-top, float-in-bottom</a></li> <li><a href="#fly-in-bottom,-fly-in-left,-fly-in-right,-fly-in-top">fly-in-bottom, fly-in-left, fly-in-right, fly-in-top</a><ul> <li><a href="#data-duration-(optional)_1">data-duration (optional)</a></li> <li><a href="#data-easing-(optional)_1">data-easing (optional)</a></li> <li><a href="#data-fly-in-distance-(optional)">data-fly-in-distance (optional)</a></li> <li><a href="#data-margin-start-(optional)_2">data-margin-start (optional)</a></li> </ul> </li> </ul> </li> <li><a href="#combine-visual-effects">Combine visual effects</a></li> <li><a href="#validation">Validation</a></li></ul> </div> </section> <section class="-t"> <label class="-op -ol ap-a-sidebar-mobile-toggle-label-sidebar" for="sidebar" on="tap:sidebar-left.toggle" role="categoriemenutrigger" tabindex="0"> <span class="label-icon"><svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#sidebar-toggle"/></svg></span> <span class="label-title">Toggle Sidebar</span> </label> <label class="-op -og ap-a-sidebar-desktop-toggle-label-sidebar" for="sidebar-desktop" role="categoriemenutrigger-desktop" tabindex="0"> <span class="label-icon"><svg><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#sidebar-toggle"/></svg></span> <span class="label-title">Toggle Sidebar</span> </label> <nav class="-ou"> <a class="ap-m-breadcrumbs-crumb" href="/documentation/">Documentation</a> <span class="ap-m-breadcrumbs-divider"> <svg class="ap-a-ico -oa"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#angle-down-solid"/></svg> </span> <a class="ap-m-breadcrumbs-crumb" href="/documentation/components/">Components</a> </nav> <h1> amp-fx-collection </h1> <div class="ap-o-component-intro"> <div class="ap-o-component-intro-row"> <h4 class="ap-o-component-intro-headline">Description</h4> <p class="ap-o-component-intro-text">Provides a collection of preset visual effects, such as parallax.</p> </div> &nbsp; <div class="ap-o-component-intro-row ap-o-component-intro-row-inline"> <h4 class="ap-o-component-intro-headline">Required Scripts</h4> <div id="amp-script" class="ap-a-copy-script"> <pre>&lt;script async custom-element="amp-fx-collection" src="https://cdn.ampproject.org/v0/amp-fx-collection-0.1.js"&gt;&lt;/script&gt;</pre> <amp-iframe width="24" height="24" layout="fixed" sandbox="allow-scripts" src="https://amp.dev/shared/copy-script/#%3Cscript%20async%20custom-element%3D%22amp-fx-collection%22%20src%3D%22https%3A//cdn.ampproject.org/v0/amp-fx-collection-0.1.js%22%3E%3C/script%3E" class="i-amphtml-layout-fixed i-amphtml-layout-size-defined" style="width:24px;height:24px;" i-amphtml-layout="fixed"> <div placeholder></div> </amp-iframe> </div> </div> <div class="ap-o-component-intro-row"> <div id="examples" class="ap-m-clip"> <h4 class="ap-o-component-intro-headline">Examples</h4> <div class="ap-o-component-intro-list"> <a class='ap-o-component-intro-list-item' href='/documentation/examples/components/amp-fx-collection/'>amp-fx-collection</a> </div> </div> </div> </div> <h2 id="usage">Usage</h2> <p>The <code>amp-fx-collection</code> component provides a collection of preset visual effects, such as parallax that can be easily enabled on any element via attributes.</p> <h2 id="apply-visual-effects">Apply visual effects</h2> <p>To specify a visual effect for an element, add the <code>amp-fx</code> attribute with the value of the visual effect.</p> <p>Below are the supported visual effects for the <code>amp-fx-collection</code>:</p> <h3 id="parallax"><code>parallax</code></h3> <p>The <code>parallax</code> effect allows an element to move as if it is nearer or farther relative to the foreground of the page content. As the user scrolls the page, the element scrolls faster or slower depending on the value assigned to the <code>data-parallax-factor</code> attribute.</p> <h4 id="data-parallax-factor"><code>data-parallax-factor</code></h4> <p>Specifies a decimal value that controls how much faster or slower the element scrolls relative to the scrolling speed:</p> <ul> <li>A value greater than <code>1</code> scrolls the element upward (element scrolls faster) when the user scrolls down the page.</li> <li>A value less than <code>1</code> scrolls the element downward (element scrolls slower) when the user scrolls downward.</li> <li>A value of <code>1</code> behaves normally.</li> <li>A value of <code>0</code> effectively makes the element scroll fixed with the page.</li> </ul> <p>In this example, as the user scrolls the page, the <code>h1</code> element scrolls faster relative to the page's content.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">h1</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"parallax"</span> <span class="na">data-parallax-factor</span><span class="o">=</span><span class="s">"1.5"</span><span class="p">&gt;</span> A title that moves faster than other content. <span class="p">&lt;/</span><span class="nt">h1</span><span class="p">&gt;</span> </pre></div> <h3 id="fade-in"><code>fade-in</code></h3> <p>The <code>fade-in</code> effect allows an element to fade in once the element being targeted is visible in the viewport.</p> <h4 id="data-duration-(optional)"><code>data-duration</code> (optional)</h4> <p>This is the duration over which the animation takes places. The default value is <code>1000ms</code>.</p> <p>In the below example, the animation lasts over <code>2000ms</code>.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in"</span> <span class="na">data-duration</span><span class="o">=</span><span class="s">"2000ms"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h4 id="data-easing-(optional)"><code>data-easing</code> (optional)</h4> <p>This parameter lets you vary the animation's speed over the course of its duration. The default is <code>ease-in</code> which is <code>cubic-bezier(0.40, 0.00, 0.40, 1.00)</code>. You can choose from one of the presets available:</p> <ul> <li><code>"linear"</code> - <code>cubic-bezier(0.00, 0.00, 1.00, 1.00)</code></li> <li><code>"ease-in-out"</code> - <code>cubic-bezier(0.80, 0.00, 0.20, 1.00)</code></li> <li><code>"ease-in"</code> - <code>cubic-bezier(0.80, 0.00, 0.60, 1.00)</code> (default)</li> <li><code>"ease-out"</code> - <code>cubic-bezier(0.40, 0.00, 0.40, 1.00)</code></li> <li>Specify a <code>custom-bezier()</code> input.</li> </ul> <p>In the below example, the animation acceleration curve is a custom specified <code>cubic-bezier(...)</code> curve.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in"</span> <span class="na">data-easing</span><span class="o">=</span><span class="s">"cubic-bezier(0.40, 0.00, 0.40, 1.00)"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h4 id="data-margin-start-(optional)"><code>data-margin-start</code> (optional)</h4> <p>This parameter determines when to trigger the timed animation. The value specified in <code>&lt;percent&gt;</code> dictates that the animation should be triggered when the element has crossed that percentage of the viewport. The default value is <code>5%</code>.</p> <p>In the below example, the animation doesn't start until the element has crossed 20% of the viewport from the bottom.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in"</span> <span class="na">data-margin-start</span><span class="o">=</span><span class="s">"20%"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h3 id="fade-in-scroll"><code>fade-in-scroll</code></h3> <p>The <code>fade-in-scroll</code> effect allows you to change the opacity of an element as it scrolls within the viewport. This creates a scroll dependent fade animation. By default once the element is fully visible we don't animate the opacity anymore.</p> <h4 id="data-margin-start-(optional)_1"><code>data-margin-start</code> (optional)</h4> <p>This parameter determines when to trigger the timed animation. The value specified in <code>&lt;percent&gt;</code> dictates that the animation should be triggered when the element has crossed that percentage of the viewport. The default value is <code>0%</code>.</p> <h4 id="data-margin-end-(optional)"><code>data-margin-end</code> (optional)</h4> <p>This parameter determines when to stop the animation. The value specified in <code>&lt;percent&gt;</code> dictates that the animation should have finished when the specified amount of the element being targeted is visible. The default value is <code>50%</code>.</p> <p>In the below example, the <code>&lt;div&gt;</code> is fully visible by the time it has crossed 80% of the viewport from the bottom.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in-scroll"</span> <span class="na">data-margin-end</span><span class="o">=</span><span class="s">"80%"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h4 id="data-repeat-(optional)"><code>data-repeat</code> (optional)</h4> <p>By default once the element is fully visible we don't animate the opacity anymore. If you want the opacity to change with the scroll, even when the element has fully loaded, specify this variable on the animation.</p> <p>In the below example, the animation is fully dependent on scroll and the <code>&lt;div&gt;</code> fades in and out as the user scrolls.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in-scroll"</span> <span class="na">data-repeat</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h3 id="float-in-top,-float-in-bottom"><code>float-in-top</code>, <code>float-in-bottom</code></h3> <p>The <code>float-in-top</code> and <code>float-in-bottom</code> effects slide a <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/position"><code>position: fixed</code></a> element in-and-out of view as the document is scrolled up or down.</p> <p>An element with <code>amp-fx="float-in-top"</code> or <code>amp-fx="float-in-bottom"</code> must have the following CSS properties:</p> <ul> <li><code>position: fixed</code></li> <li><code>overflow: hidden</code></li> <li><strong>if it's <code>top</code></strong>, <code>top: 0</code></li> <li><strong>if it's <code>bottom</code></strong>, <code>bottom: 0</code></li> </ul> <p>If any of these is not set, the effect will not be applied and a warning will be thrown in <a href="https://amp.dev/documentation/guides-and-tutorials/learn/validation-workflow/validate_amp#browser-developer-console">development mode</a>.</p> <h3 id="fly-in-bottom,-fly-in-left,-fly-in-right,-fly-in-top"><code>fly-in-bottom</code>, <code>fly-in-left</code>, <code>fly-in-right</code>, <code>fly-in-top</code></h3> <p>The <code>fly-in-bottom</code>, <code>fly-in-left</code>, <code>fly-in-right</code>, and <code>fly-in-top</code> effects allow an element's position to be translated by a specified amount once it is in the viewport.</p> <h4 id="data-duration-(optional)_1"><code>data-duration</code> (optional)</h4> <p>This is the duration over which the animation takes places. The default value differs across devices as follows: Between <code>480 px</code> (the minimum width of a mobile device) and <code>1000px</code> (the minimum width of a laptop screen width), we scale the default duration between <code>400ms</code> and <code>600ms</code>.</p> <p>Here are some examples to help you better understand this:</p> <ol> <li>screen width - <code>610px</code> the default duration for a <code>fly-in-bottom</code> would be <code>450ms</code>.</li> <li>screen width - <code>675px</code> the default duration for a <code>fly-in-bottom</code> would be <code>475ms</code>.</li> <li>screen width - <code>740px</code> the default duration for a <code>fly-in-bottom</code> would be <code>500ms</code>.</li> <li>screen width - <code>805px</code> the default duration for a <code>fly-in-bottom</code> would be <code>525ms</code>.</li> <li>screen width - <code>870px</code> the default duration for a <code>fly-in-bottom</code> would be <code>550ms</code>.</li> </ol> <p>If the user overrides this default value of <code>data-duration</code> to <code>Xms</code>, the same default will apply across all devices.</p> <h4 id="data-easing-(optional)_1"><code>data-easing</code> (optional)</h4> <p>This parameter lets you vary the animation's speed over the course of its duration. The default is <code>ease-out</code> which is <code>cubic-bezier(0.40, 0.00, 0.40, 1.00)</code>. You can choose from one of the presets available:</p> <ul> <li><code>"linear"</code> - <code>cubic-bezier(0.00, 0.00, 1.00, 1.00)</code></li> <li><code>"ease-in-out"</code> - <code>cubic-bezier(0.80, 0.00, 0.20, 1.00)</code></li> <li><code>"ease-in"</code> - <code>cubic-bezier(0.80, 0.00, 0.60, 1.00)</code></li> <li><code>"ease-out"</code> - <code>cubic-bezier(0.40, 0.00, 0.40, 1.00)</code> (default)</li> <li>Specify a <code>custom-bezier()</code> input.</li> </ul> <h4 id="data-fly-in-distance-(optional)"><code>data-fly-in-distance</code> (optional)</h4> <p>This parameter determines the translation to take place. The value is specified in <code>&lt;percent&gt;</code> of viewport. The default value are as follows:</p> <table> <thead> <tr> <th>`amp-fx` value</th> <th>Mobile</th> <th>Tablet</th> <th>Desktop</th> </tr> </thead> <tbody> <tr> <td>`fly-in-bottom`</td> <td>`25%`</td> <td>`25%`</td> <td>`33%`</td> </tr> <tr> <td>`fly-in-top`</td> <td>`25%`</td> <td>`25%`</td> <td>`33%`</td> </tr> <tr> <td>`fly-in-left`</td> <td>`100%`</td> <td>`100%`</td> <td>`100%`</td> </tr> <tr> <td>`fly-in-right`</td> <td>`100%`</td> <td>`100%`</td> <td>`100%`</td> </tr> </tbody> </table> <p>In the below example, the element is translated along the Y axis across 20% of the viewport.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fly-in-bottom"</span> <span class="na">data-fly-in-distance</span><span class="o">=</span><span class="s">"20%"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <h4 id="data-margin-start-(optional)_2"><code>data-margin-start</code> (optional)</h4> <p>This parameter determines when to trigger the timed animation. The value specified in <code>&lt;percent&gt;</code> dictates that the animation should be triggered when the element has crossed that percentage of the viewport. The default value is <code>5%</code>.</p> <h2 id="combine-visual-effects">Combine visual effects</h2> <p>Developers can also combine <code>amp-fx</code> presets together to create combined animations.</p> <p>In the below example, the element is both translated along the Y axis and has it's opacity changed from <code>0</code> to <code>1</code> over a duration of <code>1000ms</code>.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"fade-in fly-in-bottom"</span> <span class="na">data-duration</span><span class="o">=</span><span class="s">"1000ms"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <p>However, there are some presets which don't combine together to create great results. In such cases, we accept the first preset listed and ignore the clashing preset and warn in the console.</p> <p>In the below example, the element is being translated along the Y axis by two clashing presets <code>parallax</code> and <code>fly-in-bottom</code>. In this case we only allow the <code>parallax</code> animation and ignore the <code>fly-in-bottom</code> preset.</p> <div class="-ta"><pre><span></span><span class="p">&lt;</span><span class="nt">div</span> <span class="na">amp-fx</span><span class="o">=</span><span class="s">"parallax fly-in-bottom"</span> <span class="na">data-parallax-factor</span><span class="o">=</span><span class="s">"1.5"</span><span class="p">&gt;</span> <span class="p">&lt;</span><span class="nt">amp-img</span> <span class="na">width</span><span class="o">=</span><span class="s">"1600"</span> <span class="na">height</span><span class="o">=</span><span class="s">"900"</span> <span class="na">layout</span><span class="o">=</span><span class="s">"responsive"</span> <span class="na">src</span><span class="o">=</span><span class="s">"https://picsum.photos/1600/900?image=1069"</span> <span class="p">&gt;&lt;/</span><span class="nt">amp-img</span><span class="p">&gt;</span> <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span> </pre></div> <p>Below is a list of group of presets, AMP advises you don't combine:</p> <ol> <li><code>parallax</code>, <code>fly-in-top</code>, <code>fly-in-bottom</code>,</li> <li><code>fly-in-left</code>, <code>fly-in-right</code>,</li> <li><code>fade-in</code>, <code>fade-in-scroll</code>.</li> </ol> <h2 id="validation">Validation</h2> <p>See <a href="https://github.com/ampproject/amphtml/blob/main/extensions/amp-fx-collection/validator-amp-fx-collection.protoascii"><code>amp-fx-collection</code> rules</a> in the AMP validator specification.</p> </section> <section class="ap--help"> <div class="-ff"> <span class="-fl">Need more help?</span> <p class="-fh">You've read this document a dozen times but it doesn't really cover all of your questions? 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