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d3js Exercice 4 - selection, data

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Last edited Oct 10, 2017

Created on Oct 10, 2017

This example demonstrates a simple bar chart built with D3.js v4, where each bar’s width corresponds to a value in a static array. It shows how data can be bound to HTML elements and used to drive visual properties. The code uses `d3.select` to target the chart container, then chains `.selectAll('div')`, `.data()`, `.enter()`, and `.append('div')` to create one bar per data point. Each bar is styled via a CSS class, and its width is set directly from the data value using `.style('width', function(d) { return d + 'px'; })`. The data source is an inline array of five numbers.

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d3js Exercice 4 - selection, data

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