October 2017
Intermediate to advanced
370 pages
8h 57m
English
Content preview from AMP: Building Accelerated Mobile Pages
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What is a service worker?
Service workers are central to PWAs. A service worker is a script that the browser runs in the background. It can act as a proxy to a web page, intercepting requests and controlling responses, and this means it can implement advanced browser features, such as offline capabilities, background syncing, and push notifications. All major browsers currently support, or are building support for, service workers.
There are a number of libraries that can be used to help with common service worker tasks, such as the sw-toolbox (github.com/GoogleChrome/sw-toolbox) and workbox (github.com/GoogleChrome/workbox) libraries. We're only going to write a simple service worker here, so we won't be using them, but they might be useful ...
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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.