December 2016
Beginner to intermediate
334 pages
6h 25m
English
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Exercises for chapter 3
Exercise 1
When we were rewriting the shopping list application using simple components, we lost the application's functionality. The exercise suggests using an events emitting system in order to bring the functionality back.
The code we ended up with in this section was looking similar to what is in the chapter3/vue-shopping-list-simple-components folder.
Why doesn't it work? Check the devtools error console. It states the following:
[Vue warn]: Property or method "addItem" is not defined on the instance but referenced during render. Make sure to declare reactive data properties in the data option. (found in component <add-item-component>)
Aha! This happens because inside add-item-template we are calling the addItem method ...
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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.
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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.