How To Setup Amp Image Lightbox

BLOG MOBILE

INTRODUCTION.

The amp-image-lightbox component allows the user to expand nd image to fill the viewport.

SETUP.

Imfort the amp-image-lightbox component in the header </head>

<script async custom-element="amp-image-lightbox" src="https://cdn.ampproject.org/v0/amp-image-lightbox-0.1.js"></script>

BASIC USED.

The amp-image-lightbox is activated using the on action on an  amp-image elements referencing the lightbox elements ID.
EXAMPLE.

<amp-img on="tap:lightbox1"
  role="button"
  tabindex="0"
  src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpCE7NqlyYwV8t-HnI5OEKothFCppGydPb4vsVw0fdn61Aj9qXKQ80RcKTiwTTwXJqd8sV7Q0sr4Z-RCt13TtKXhMkKpAa5g2eyhiSe6zr2SoTj065D7nqc_OUuLAlpoBa9pOda8RWpjs-/s1600/IMG_20170519_151819-min.jpg"
  alt="encep nurdin"
  title="encep nurdin, view in lightbox"
  layout="responsive"
  width="300"
  height="246"></amp-img>

The is lightbox.the image shown in the lightbox does not need to defined.
EXAMPLE.

<amp-image-lightbox id="lightbox1"
  layout="nodisplay"></amp-image-lightbox>

It is even possible to show different images in the same amp-image-lightbox. Here is another image using the same lightbox.
EXAMPLE.

<amp-img on="tap:lightbox1"
  role="button"
  tabindex="0"
  src="/img/Hovawart.jpg"
  alt="Picture of a dog"
  title="Picture of a dog, view in lightbox"
  layout="responsive"
  width="600"
  height="400"></amp-img>

CAPTIONS.

The amp-image-lightbox  also can optionally display a captions for the image at the button of the viewport
The can either be the content of the figcaption element when the image is in the figur tag...
EXAMPLE.

<figure>
  <amp-img alt="Picture of a dog" height="246" layout="responsive" on="tap:lightbox1" role="button" src="https://ampbyexample.com/img/Border_Collie.jpg" tabindex="0" title="Picture of a dog, view in lightbox" width="300"></amp-img>
  <figcaption>Border Collie.</figcaption>
</figure>

Border Collie.

Or the contents of the element whose ID is specified by the image's aria-described by atribute.
EXAMPLE.

<amp-img on="tap:lightbox1"
    role="button"
    tabindex="0"
    aria-describedby="imageDescription"
    alt="Picture of a dog"
    title="Picture of a dog, view in lightbox"
    src="/img/Border_Collie.jpg"
    width="300"
    height="246"></amp-img>
  <div id="imageDescription">
    This is a border collie.
  </div>

This is a border collie.