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Google AMP amp-autocomplete
  • Last Updated : 16 Oct, 2020

 

The amp-autocomplete suggests complete results according to the input given by the user as they type. It is a very common and helpful feature as it enables users to complete there task more quickly. This is extremely useful when the user does not know the full range of the input.

Required Scripts: Import the amp-autocomplete component –

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

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Import the amp-form component –



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

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Usage: 

  • amp-autocomplete must be nested in a form.
  • The form should contain an input field with an input tag or textarea tag.
  • A datasource must be a JSON object containing an array property item.
  • A datasource can be specified with a child script type=”application/json” tag or specified via src tag.

Using child script type=”application/json” – 

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<form class="sample-form" method="post" 
    action-xhr=
    target="_top">
      
    <amp-autocomplete filter="substring">
        <input>
        <script type="application/json">
            {
                "items": ["geeksforgeeks", "gfg", 
                "iamageek" ,"how to become a geek?"]
            }
        </script>
    </amp-autocomplete>
</form>

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Using src tag –

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<form class="sample-form" method="post" 
    action-xhr=
    target="_top">
      
    <!--the following src link contains 
        names of cities-->
    <amp-autocomplete filter="substring" 
src="/static/samples/json/amp-autocomplete-cities.json">
        <input>
    </amp-autocomplete>
</form>

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Example 1:

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<!doctype html>
<html amp>
  
<head>
    <meta charset="utf-8">
    <link rel="canonical" href=
  
    <meta name="viewport" content=
"width=device-width,minimum-scale=1,initial-scale=1">
  
    <script async custom-element=
        "amp-autocomplete" src=
    </script>
  
    <script async custom-element=
        "amp-form" src=
    </script>
  
    <title>Google AMP amp-autocomplete</title>
  
    <style amp-custom>
        :root {
            --space-1: .5rem;
            /* 8px */
            --space-2: 1rem;
            /* 16px */
            --space-3: 1.5rem;
            /* 24px */
            --space-4: 2rem;
            /* 32px */
        }
  
        .sample-form input[type=submit] {
            -webkit-appearance: none;
            border: none;
            background-color: var(--color-primary);
            color: var(--color-text-light);
            margin: var(--space-2);
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            line-height: 1.2em;
            font-size: 1em;
            padding: 0.75em 1.75em;
            text-decoration: none;
            text-align: center;
            border-radius: 3px;
            border: none;
            box-shadow: var(--box-shadow-1);
        }
  
        .sample-form {
            padding: var(--space-2);
        }
    </style>
  
    <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>
</head>
  
<body>
    <form class="sample-form" method="post"
        action-xhr=
        target="_top">
          
        <amp-autocomplete filter="substring">
            <input>
  
            <!-- Auto suggestion strings 
                stored in item-->
            <script type="application/json">
                {
                    "items": ["geeksforgeeks", 
                    "gfg", "iamageek", 
                    "how to become a geek?"]
                }
            </script>
        </amp-autocomplete>
    </form>
</body>
  
</html>

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Output

Example 2:

HTML

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<!doctype html>
<html amp>
  
<head>
    <meta charset="utf-8">
    <link rel="canonical" href=
  
    <meta name="viewport" content=
"width=device-width,minimum-scale=1,initial-scale=1">
  
    <script async custom-element=
        "amp-autocomplete" src=
    </script>
  
    <script async custom-element=
        "amp-form" src=
    </script>
  
    <title>Google AMP amp-autocomplete</title>
  
    <style amp-custom>
        :root {
            --space-1: .5rem;
            /* 8px */
            --space-2: 1rem;
            /* 16px */
            --space-3: 1.5rem;
            /* 24px */
            --space-4: 2rem;
            /* 32px */
        }
  
        .sample-form input[type=submit] {
            -webkit-appearance: none;
            border: none;
            background-color: var(--color-primary);
            color: var(--color-text-light);
            margin: var(--space-2);
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            line-height: 1.2em;
            font-size: 1em;
            padding: 0.75em 1.75em;
            text-decoration: none;
            text-align: center;
            border-radius: 3px;
            border: none;
            box-shadow: var(--box-shadow-1);
        }
  
        .sample-form {
            padding: var(--space-2);
        }
    </style>
  
    <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>
</head>
  
<body>
    <form class="sample-form" method="post" 
        action-xhr=
        target="_top">
          
        <!--the following src link contains 
            names of cities-->
        <amp-autocomplete filter="substring" 
src="/static/samples/json/amp-autocomplete-cities.json">
            <input>
        </amp-autocomplete>
    </form>
</body>
  
</html>

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Output

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