September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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The ChartsTab
The /components/ChartsTab folder contains two component files: ChartsTab.js and PieChart.js. The ChartsTab component contains two instances of the PieChart component, one for income and one for expenses. Each PieChart component displays either the raw or cooked percentages by category. The user can switch between raw or cooked views via buttons directly above the chart. The drawChart() method in PieChart.js uses D3 to render the pie chart and legend. It uses D3's built-in animations to animate each piece of the pie when loading:
arc .append('path') .attr('fill', d => colorScale(d.data.category)) .transition() .delay((d, i) => i * 100) .duration(500) .attrTween('d', d => { const i = d3.interpolate(d.startAngle + 0.1, d.endAngle); ...Become 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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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.