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Towards_Updateable-Resusable-ProD3js_d3jsCharts-UpdateDataOnly

✓ Published3🌍 Public
JJimMaltby
Last edited Nov 24, 2021
Created on Nov 23, 2021

This example demonstrates an updatable bar chart pattern in D3.js v5, derived from Mike Bostock's reusable chart principles and Rob Moore's updateable pattern. The chart renders with SVG, showing horizontal bars whose lengths are proportional to data values, with spacing, height, and scale computed from the data array. The code uses `d3.select`, `d3.max` for domain scaling, and the `.data()`, `.enter()`, and `.append('rect')` methods to build bar elements dynamically. A separate container structure is prepared for axes and title, though current axes remain commented out.

AI-generated description

Simple Bar Chart example:

A vanilla HTML implementation of Rob Moores updateable pattern Towards Updatable https://www.toptal.com/d3-js/towards-reusable-d3-js-charts.

It is derived from Mike Bostock's Towards Reusable Charts (https://bost.ocks.org/mike/chart/) as the source of the foundational principles.

Will evolve to use the ProD3 pattern (Pro D3.js Use D3.js to Create Maintainable, Modular, and Testable Charts by Marcos Iglesias https://www.apress.com/gp/book/9781484252024) as the basis for further charts.

MIT Licensed

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