October 2017
Intermediate to advanced
370 pages
8h 57m
English
Content preview from AMP: Building Accelerated Mobile Pages
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Setting default values for AMP state properties
If you happened to check the last example while in AMP development mode (#development=1 appended to URL), you might have noticed an error similar to that shown in the following image (the error message will also appear in the browser developer console):
amp-bind "default value for ... does not match first expression result" error
This error is basically complaining about not having default values set for AMP state properties. You can define default values for your state properties with amp-state, but it's not required. However, if you have a property that's not initialized before it's used, then ...
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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.