MasteringD3js_Ch2 pt2

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MasteringD3js_Ch2 pt2

✓ Published3🌍 Public

Last edited Nov 25, 2021

Created on Jul 1, 2021

A D3.js v5 barcode chart built from a step-by-step refactoring of a v3 example. The visualization uses an SVG-based, closure-encapsulated charting function that renders a horizontal strip of vertical bars representing time-based data, with accessor methods (`chart.width`, `chart.height`, `chart.margin`) and a date accessor to set the temporal interval. The code demonstrates progressive enhancements across six chart versions, transitioning from raw selections (`d3.select`) to data joins and SVG initialization, with the dataset bound through `.data()` and rendered via `.enter().append()`.

AI-generated description

Mastering D3 CH2 2.2 BARCODE CHART v3 examples here: http://hanmomhanda.github.io/mastering-d3-html/chapter02/02-barcode-chart/ Problem in converting from v3 to v5 and looks like book has poor practice of d3.js (https://stackoverflow.com/questions/45181773/d3-js-raw-selection-get-error-uncaught-typeerror-cannot-read-property-0-of-u)

MIT Licensed

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