October 2017
Intermediate to advanced
370 pages
8h 57m
English
Content preview from AMP: Building Accelerated Mobile Pages
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Scroll tracking
Another useful user interaction to track is scrolling. We can use the scroll event for this. This event fires as a user scrolls through a page. This could be useful in article or blog style pages to determine whether users are reading all the way through your content.
The scrollSpec object allows you to specify through what percentage of the page the user must scroll before the event will fire. Vertical and horizontal percentages are specified in the verticalBoundaries and horizontalBoundaries properties respectively. In the following configuration (/ch10/ga-scroll.html), the scroll trigger will be fired when the page is scrolled vertically to 25 percent, 50 percent, 75 percent, and 100 percent. Boundaries are rounded to the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.