July 2019
Intermediate to advanced
310 pages
7h 26m
English
Content preview from Programming ElmBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Create the View
In the Elm Architecture, the view is responsible for displaying a model. In many JavaScript frameworks, the view layer not only displays state but can manage state of its own. Unfortunately, this leads to the same problem of spreading out state that I mentioned at the start of the previous section. The Elm Architecture enforces separation of concerns by preventing the view layer from storing state. The view is the visual representation of the model and nothing more.
In Elm, views are implemented as functions. They take a model as an argument and return a virtual DOM tree. Recall from Chapter 1, Get Started with Elm how you built a virtual DOM tree with the main constant by using the functions from the Html module. The virtual ...
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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.