December 2018
Intermediate to advanced
642 pages
15h 5m
English
Content preview from Modern JavaScript Web Development Cookbook
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How it works...
When this object is rendered for the first time, this.state.open is false, so the .render() method will just produce the title of the card, plus a triangle pointing down, to suggest that the card may be expanded by clicking on it. When the user clicks on the triangle, this.setState() is called with a function that will take the current value of this.state.open, and toggle it. React will decide whether the object needs to be re-rendered (because of the change in state) and this time, since this.state.open will be true, the expanded, complete version of the card will be rendered. In particular, the triangle will be shown pointing up, so the user will understand that the card will be condensed if they click there. Check out 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.