February 2019
Beginner to intermediate
284 pages
6h 20m
English
Content preview from Learn Chart.js
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Time scales
You can use simple string categories to represent dates and temporal information, but by using an axis of the time type, you can parse, format, and generate temporal data. This allows greater flexibility and interactivity.
The time scale requires the moment.js library (momentjs.com). To use the time scale, you can either import the moment.js library or include the Chart.bundle.js library in your page. It's best to import moment.js since you might want to use other date and time functions. You can do that including by it in your page via CDN:
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.js"> </script>
The data is usually configured using the point structure, where the x property is a Date and 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.