AMP - Show More and Less Options for Dynamic Lists

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I need a show more/less button with AMP. AMP offers a show more component when use amp-list (codes below). I'm trying to make the show more button to change to show less button when there are no more items to index and hide the items back to its original state (which shows the first few items only). How can I achieve this? Thanks



<!doctype html>
<html ⚡>
<head>
<meta charset="utf-8">
<script async src="https://cdn.ampproject.org/v0.js"></script>

<!-- ## Setup -->
<!-- Additionally used AMP components must be imported in the header. We use `amp-list` for showing a list of products -->
<script async custom-element="amp-list" src="https://cdn.ampproject.org/v0/amp-list-0.1.js"></script>
<script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
<script async custom-element="amp-form" src="https://cdn.ampproject.org/v0/amp-form-0.1.js"></script>
<script async custom-template="amp-mustache" src="https://cdn.ampproject.org/v0/amp-mustache-0.2.js"></script>
<link rel="canonical" href="https://ampbyexample.com/advanced/show_more_button/">
<title>Load more button</title>

<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>
</head>
<body>
<amp-state id="productsState" src="/json/related_products.json">
</amp-state>

<!-- ... while the `amp-state` with id `product` is just used to implement the show-more logic where we are allowing the user to click 3 times. -->
<amp-state id="product">
<script type="application/json">
{
"moreItemsPageIndex": 0,
"hasMorePages": true
}
</script>
</amp-state>
<amp-list src="/json/related_products.json"
[src]="productsState.items"
width="320"
height="144"
[height]="productsState.items.length * 24"
class="m1">
<template type="amp-mustache">
<strong>Product</strong>: {{name}}
<strong>Price</strong>: ${{price}}
</template>
</amp-list>

<!-- The show more button is implemented via a form which triggers a page update on the `submit-success` event.
We are then merging the form results into the items already loaded by the `amp-state` using the `concat` function. -->
<form method="GET"
action="/json/more_related_products_page"
action-xhr="/json/more_related_products_page"
target="_top"
on="submit-success: AMP.setState({
productsState: {
items: productsState.items.concat(event.response.items)
},
product: {
moreItemsPageIndex: product.moreItemsPageIndex + 1,
hasMorePages: event.response.hasMorePages
}
});">
<input type="hidden" name="moreItemsPageIndex" value="0" [value]="product.moreItemsPageIndex">
<input type="submit"
value="Show more"
class="ampstart-btn caps m1 show"
[class] = "(product.hasMorePages == false ? 'hide' : 'ampstart-btn caps m1 mb3 show')">
</form>

</body>
</html>









share|improve this question































    0















    I need a show more/less button with AMP. AMP offers a show more component when use amp-list (codes below). I'm trying to make the show more button to change to show less button when there are no more items to index and hide the items back to its original state (which shows the first few items only). How can I achieve this? Thanks



    <!doctype html>
    <html ⚡>
    <head>
    <meta charset="utf-8">
    <script async src="https://cdn.ampproject.org/v0.js"></script>

    <!-- ## Setup -->
    <!-- Additionally used AMP components must be imported in the header. We use `amp-list` for showing a list of products -->
    <script async custom-element="amp-list" src="https://cdn.ampproject.org/v0/amp-list-0.1.js"></script>
    <script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
    <script async custom-element="amp-form" src="https://cdn.ampproject.org/v0/amp-form-0.1.js"></script>
    <script async custom-template="amp-mustache" src="https://cdn.ampproject.org/v0/amp-mustache-0.2.js"></script>
    <link rel="canonical" href="https://ampbyexample.com/advanced/show_more_button/">
    <title>Load more button</title>

    <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>
    </head>
    <body>
    <amp-state id="productsState" src="/json/related_products.json">
    </amp-state>

    <!-- ... while the `amp-state` with id `product` is just used to implement the show-more logic where we are allowing the user to click 3 times. -->
    <amp-state id="product">
    <script type="application/json">
    {
    "moreItemsPageIndex": 0,
    "hasMorePages": true
    }
    </script>
    </amp-state>
    <amp-list src="/json/related_products.json"
    [src]="productsState.items"
    width="320"
    height="144"
    [height]="productsState.items.length * 24"
    class="m1">
    <template type="amp-mustache">
    <strong>Product</strong>: {{name}}
    <strong>Price</strong>: ${{price}}
    </template>
    </amp-list>

    <!-- The show more button is implemented via a form which triggers a page update on the `submit-success` event.
    We are then merging the form results into the items already loaded by the `amp-state` using the `concat` function. -->
    <form method="GET"
    action="/json/more_related_products_page"
    action-xhr="/json/more_related_products_page"
    target="_top"
    on="submit-success: AMP.setState({
    productsState: {
    items: productsState.items.concat(event.response.items)
    },
    product: {
    moreItemsPageIndex: product.moreItemsPageIndex + 1,
    hasMorePages: event.response.hasMorePages
    }
    });">
    <input type="hidden" name="moreItemsPageIndex" value="0" [value]="product.moreItemsPageIndex">
    <input type="submit"
    value="Show more"
    class="ampstart-btn caps m1 show"
    [class] = "(product.hasMorePages == false ? 'hide' : 'ampstart-btn caps m1 mb3 show')">
    </form>

    </body>
    </html>









    share|improve this question



























      0












      0








      0








      I need a show more/less button with AMP. AMP offers a show more component when use amp-list (codes below). I'm trying to make the show more button to change to show less button when there are no more items to index and hide the items back to its original state (which shows the first few items only). How can I achieve this? Thanks



      <!doctype html>
      <html ⚡>
      <head>
      <meta charset="utf-8">
      <script async src="https://cdn.ampproject.org/v0.js"></script>

      <!-- ## Setup -->
      <!-- Additionally used AMP components must be imported in the header. We use `amp-list` for showing a list of products -->
      <script async custom-element="amp-list" src="https://cdn.ampproject.org/v0/amp-list-0.1.js"></script>
      <script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
      <script async custom-element="amp-form" src="https://cdn.ampproject.org/v0/amp-form-0.1.js"></script>
      <script async custom-template="amp-mustache" src="https://cdn.ampproject.org/v0/amp-mustache-0.2.js"></script>
      <link rel="canonical" href="https://ampbyexample.com/advanced/show_more_button/">
      <title>Load more button</title>

      <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>
      </head>
      <body>
      <amp-state id="productsState" src="/json/related_products.json">
      </amp-state>

      <!-- ... while the `amp-state` with id `product` is just used to implement the show-more logic where we are allowing the user to click 3 times. -->
      <amp-state id="product">
      <script type="application/json">
      {
      "moreItemsPageIndex": 0,
      "hasMorePages": true
      }
      </script>
      </amp-state>
      <amp-list src="/json/related_products.json"
      [src]="productsState.items"
      width="320"
      height="144"
      [height]="productsState.items.length * 24"
      class="m1">
      <template type="amp-mustache">
      <strong>Product</strong>: {{name}}
      <strong>Price</strong>: ${{price}}
      </template>
      </amp-list>

      <!-- The show more button is implemented via a form which triggers a page update on the `submit-success` event.
      We are then merging the form results into the items already loaded by the `amp-state` using the `concat` function. -->
      <form method="GET"
      action="/json/more_related_products_page"
      action-xhr="/json/more_related_products_page"
      target="_top"
      on="submit-success: AMP.setState({
      productsState: {
      items: productsState.items.concat(event.response.items)
      },
      product: {
      moreItemsPageIndex: product.moreItemsPageIndex + 1,
      hasMorePages: event.response.hasMorePages
      }
      });">
      <input type="hidden" name="moreItemsPageIndex" value="0" [value]="product.moreItemsPageIndex">
      <input type="submit"
      value="Show more"
      class="ampstart-btn caps m1 show"
      [class] = "(product.hasMorePages == false ? 'hide' : 'ampstart-btn caps m1 mb3 show')">
      </form>

      </body>
      </html>









      share|improve this question
















      I need a show more/less button with AMP. AMP offers a show more component when use amp-list (codes below). I'm trying to make the show more button to change to show less button when there are no more items to index and hide the items back to its original state (which shows the first few items only). How can I achieve this? Thanks



      <!doctype html>
      <html ⚡>
      <head>
      <meta charset="utf-8">
      <script async src="https://cdn.ampproject.org/v0.js"></script>

      <!-- ## Setup -->
      <!-- Additionally used AMP components must be imported in the header. We use `amp-list` for showing a list of products -->
      <script async custom-element="amp-list" src="https://cdn.ampproject.org/v0/amp-list-0.1.js"></script>
      <script async custom-element="amp-bind" src="https://cdn.ampproject.org/v0/amp-bind-0.1.js"></script>
      <script async custom-element="amp-form" src="https://cdn.ampproject.org/v0/amp-form-0.1.js"></script>
      <script async custom-template="amp-mustache" src="https://cdn.ampproject.org/v0/amp-mustache-0.2.js"></script>
      <link rel="canonical" href="https://ampbyexample.com/advanced/show_more_button/">
      <title>Load more button</title>

      <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>
      </head>
      <body>
      <amp-state id="productsState" src="/json/related_products.json">
      </amp-state>

      <!-- ... while the `amp-state` with id `product` is just used to implement the show-more logic where we are allowing the user to click 3 times. -->
      <amp-state id="product">
      <script type="application/json">
      {
      "moreItemsPageIndex": 0,
      "hasMorePages": true
      }
      </script>
      </amp-state>
      <amp-list src="/json/related_products.json"
      [src]="productsState.items"
      width="320"
      height="144"
      [height]="productsState.items.length * 24"
      class="m1">
      <template type="amp-mustache">
      <strong>Product</strong>: {{name}}
      <strong>Price</strong>: ${{price}}
      </template>
      </amp-list>

      <!-- The show more button is implemented via a form which triggers a page update on the `submit-success` event.
      We are then merging the form results into the items already loaded by the `amp-state` using the `concat` function. -->
      <form method="GET"
      action="/json/more_related_products_page"
      action-xhr="/json/more_related_products_page"
      target="_top"
      on="submit-success: AMP.setState({
      productsState: {
      items: productsState.items.concat(event.response.items)
      },
      product: {
      moreItemsPageIndex: product.moreItemsPageIndex + 1,
      hasMorePages: event.response.hasMorePages
      }
      });">
      <input type="hidden" name="moreItemsPageIndex" value="0" [value]="product.moreItemsPageIndex">
      <input type="submit"
      value="Show more"
      class="ampstart-btn caps m1 show"
      [class] = "(product.hasMorePages == false ? 'hide' : 'ampstart-btn caps m1 mb3 show')">
      </form>

      </body>
      </html>






      html amp-html






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      share|improve this question




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      edited Jan 4 at 14:23







      V.Le

















      asked Jan 3 at 21:47









      V.LeV.Le

      552312




      552312
























          1 Answer
          1






          active

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          votes


















          2














          Based from this thread, this can be done via amp-bind.




          You can use an implicit state variable, e.g. visible, to track the current state. Here is a sample that toggles two classes show and hide:



          <button [text]="visible ? 'Show Less' : 'Show More'" 
          on="tap:AMP.setState({visible: !visible})">
          Show More
          </button>
          <p [class]="visible ? 'show' : 'hide'" class="hide">
          Some more content.
          </p>






          share|improve this answer
























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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2














            Based from this thread, this can be done via amp-bind.




            You can use an implicit state variable, e.g. visible, to track the current state. Here is a sample that toggles two classes show and hide:



            <button [text]="visible ? 'Show Less' : 'Show More'" 
            on="tap:AMP.setState({visible: !visible})">
            Show More
            </button>
            <p [class]="visible ? 'show' : 'hide'" class="hide">
            Some more content.
            </p>






            share|improve this answer




























              2














              Based from this thread, this can be done via amp-bind.




              You can use an implicit state variable, e.g. visible, to track the current state. Here is a sample that toggles two classes show and hide:



              <button [text]="visible ? 'Show Less' : 'Show More'" 
              on="tap:AMP.setState({visible: !visible})">
              Show More
              </button>
              <p [class]="visible ? 'show' : 'hide'" class="hide">
              Some more content.
              </p>






              share|improve this answer


























                2












                2








                2







                Based from this thread, this can be done via amp-bind.




                You can use an implicit state variable, e.g. visible, to track the current state. Here is a sample that toggles two classes show and hide:



                <button [text]="visible ? 'Show Less' : 'Show More'" 
                on="tap:AMP.setState({visible: !visible})">
                Show More
                </button>
                <p [class]="visible ? 'show' : 'hide'" class="hide">
                Some more content.
                </p>






                share|improve this answer













                Based from this thread, this can be done via amp-bind.




                You can use an implicit state variable, e.g. visible, to track the current state. Here is a sample that toggles two classes show and hide:



                <button [text]="visible ? 'Show Less' : 'Show More'" 
                on="tap:AMP.setState({visible: !visible})">
                Show More
                </button>
                <p [class]="visible ? 'show' : 'hide'" class="hide">
                Some more content.
                </p>







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Jan 4 at 12:39









                abielitaabielita

                9,7052941




                9,7052941
































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