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  • Book Overview & Buying AMP: Building Accelerated Mobile Pages
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AMP: Building Accelerated Mobile Pages

AMP: Building Accelerated Mobile Pages

By : O'Donoghue
5 (4)
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AMP: Building Accelerated Mobile Pages

AMP: Building Accelerated Mobile Pages

5 (4)
By: O'Donoghue

Overview of this book

Google introduced the Accelerated Mobile Pages (AMP) project to give mobile users lightning-fast response times when accessing web pages on mobile devices. AMP delivers great user experiences by providing a framework for optimizing web pages that otherwise would take much longer to load on a mobile platform. This book shows how to solve page performance issues using the mobile web technologies available today. You will learn how to build instant-loading web pages, and have them featured more prominently on Google searches. If you want your website to succeed on mobile, if you care about SEO, and if you want to stay competitive, then this book is for you! You will go on a mobile web development journey that demonstrates with concrete examples how to build lightning-fast pages that will keep your visitors on-site and happy. This journey begins by showing how to build a simple blog article-style web page using AMP. As new concepts are introduced this page is gradually refined until you will have the skills and confidence to build a variety of rich and interactive mobile web pages. These will include e-commerce product pages, interactive forms and menus, maps and commenting systems, and even Progressive Web Apps.
Table of Contents (17 chapters)
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14
Actions and Events
16
amp-bind Permitted Attribute Bindings

Improving the product image carousel with <amp-bind>


In Chapter 5, Building Rich Media Pages in AMP, we built a product image carousel. We used amp-selector to let the user choose the image to show in the carousel and we used its selected attribute to highlight the selected thumbnail. This all worked great if the user tapped the thumbnails to navigate the images. Recall, however, that if the user swiped through the images, then the highlighted thumbnail would not change, and the thumbnail would be out of sync with the visible carousel image:

Original product carousel from Chapter 5 showing thumbnails out of sync with main image

Note

In this example, we're back using the product page again as starting point: /ch8/product-cart.html.

We can fix this by using amp-bind to change the selected thumbnail in the amp-selector whenever the user changes slide by swiping through the carousel. Lucky for us, amp-carousel exposes a slideChange event that we can use here. This event also exposes the current...

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AMP: Building Accelerated Mobile Pages
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