April 2018
Intermediate to advanced
298 pages
6h 34m
English
Content preview from React 16 Tooling
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Action state diffs
Another way to view action data in Redux DevTools is to look at the state diff that results from dispatching the action. Instead of trying to glean the changes in state by looking at the entire state tree, this view only shows you what changed.
Let's try adding a new book to generate some actions. I'm going to add the book you're reading right now. First, I'll paste in the title of the book that generates a change event on the input element, which in turn dispatches a SET_NEW_BOOK_TITLE action. If you select the action, you should see the following:
The title value of the newBook state went from an empty string to the value ...
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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.