Published
Edited
Jul 8, 2019
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md`# Bar Chart`
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chart = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height]);
svg.append("g")
.attr("fill", "steelblue")
.selectAll("rect")
.data(data)
.join("rect")
.attr("x", d => x(d.name))
.attr("y", d => y(d.value))
.attr("height", d => y(0) - y(d.value))
.attr("width", x.bandwidth());
return svg.node();
}
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x = d3.scaleBand()
.domain(data.map(d => d.name))
.range([margin.left, width - margin.right])
.padding(0.1)
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y = d3.scaleLinear()
.domain([0, d3.max(data, d => d.value)]).nice()
.range([height - margin.bottom, margin.top])
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data = (await d3.csv("https://gist.githubusercontent.com/mbostock/81aa27912ad9b1ed577016797a780b2c/raw/3a807eb0cbb0f5904053ac2f9edf765e2f87a2f5/alphabet.csv", ({letter, frequency}) => ({name: letter, value: +frequency}))).sort((a, b) => b.value - a.value)
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d3 = require("d3@5")
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