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Google AMP fad-in Animation

  • Last Updated : 25 Oct, 2020

In AMP HTML pages adding visual effect is easy using the amp-fx-collection component which provides a range of collections of effects such as fade-in which a background image opacity keeps on increasing till is visible .

Required Scripts: Importing the amp-fx-collection into the header.

HTML




<script async custom-element="amp-fx-collection" src=
</script>

Attributes:



  1. data-duration: Specifies the duration of the animation it becomes static after the elapsed time.
  2. data-easing: Varies the animation speed through out the entire duration.
  3. data-margin-start/end: Specifies at what % of margin of the view port should the animation start.
  4. data-repeat: To repeat animation even after fully loaded after scroll.
  5. fade-in-scroll: To change opacity of the image when it scrolls within the view port.

Example:

HTML




<!doctype html>
<html amp>
  
<head>
    <meta charset="utf-8">
    <title>Google AMP fad-in Animation</title>
  
    <script async src=
    </script>
  
    <!-- Import `amp-fx-collection` extension -->
    <script async custom-element="amp-fx-collection" 
    </script>
  
    <link rel="canonical" href=
  
    <meta name="viewport" content=
"width=device-width,minimum-scale=1,initial-scale=1">
  
    <style amp-boilerplate>
        body {
            -webkit-animation: -amp-start 8s 
                steps(1, end) 0s 1 normal both;
  
            -moz-animation: -amp-start 8s 
                steps(1, end) 0s 1 normal both;
  
            -ms-animation: -amp-start 8s 
                steps(1, end) 0s 1 normal both;
  
            animation: -amp-start 8s 
                steps(1, end) 0s 1 normal both
        }
  
        @-webkit-keyframes -amp-start {
            from {
                visibility: hidden
            }
  
            to {
                visibility: visible
            }
        }
  
        @-moz-keyframes -amp-start {
            from {
                visibility: hidden
            }
  
            to {
                visibility: visible
            }
        }
  
        @-ms-keyframes -amp-start {
            from {
                visibility: hidden
            }
  
            to {
                visibility: visible
            }
        }
  
        @-o-keyframes -amp-start {
            from {
                visibility: hidden
            }
  
            to {
                visibility: visible
            }
        }
  
        @keyframes -amp-start {
            from {
                visibility: hidden
            }
  
            to {
                visibility: visible
            }
        }
    </style>
  
    <noscript>
        <style amp-boilerplate>
            body {
                -webkit-animation: none;
                -moz-animation: none;
                -ms-animation: none;
                animation: none
            }
        </style>
    </noscript>
  
    <style amp-custom>
        .header {
            position: relative;
            overflow: hidden;
        }
  
        .header h1 {
            color: white;
            bottom: 10%;
            left: 10px;
            position: absolute;
            z-index: 1;
            font-size: 1.7em;
        }
  
        .title {
            background-color: black;
            color: white;
        }
  
        .parallax-image-window {
            overflow: hidden;
        }
  
        .parallax-image-window amp-img {
            margin-bottom: -20%;
        }
    </style>
</head>
  
<body>
    <!--fade-in with a duration-->
    <amp-img amp-fx="fade-in" 
        data-duration="2000ms" 
        width="1280" height="873" 
        layout="responsive" src=
    </amp-img>
  
    <!-- animation starts past 50% 
        of the viewport-->
    <amp-img amp-fx="fade-in" 
        data-margin-start="50%" 
        width="1280" height="873" 
        layout="responsive" src=
    </amp-img>
  
    <!-- Scroll dependent fade-in -->
    <amp-img amp-fx="fade-in-scroll" 
        width="1600" height="900" 
        layout="responsive" src=
    </amp-img>
  
    <!--  Custom start/end points -->
    <amp-img amp-fx="fade-in-scroll" 
        data-margin-start="20%" 
        data-margin-end="80%" 
        width="1600" height="900"
        layout="responsive" src=
    </amp-img>
</body>
  
</html>

Output:




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