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Last edited Oct 6, 2017

Created on Oct 6, 2017

A set of five blue rectangles forms a simple bar chart, with each bar’s height directly proportional to values from an inline array. The code uses D3 v4’s selection and data-binding methods (`selectAll`, `data`, `attr`) to map each data point to an SVG `rect`, positioning bars side‑by‑side along the x‑axis and scaling their y‑positions and heights from a fixed baseline. The bars are evenly spaced using a constant `rectWidth`, while the SVG’s total height is fixed at 300 pixels. The chart is rendered entirely with SVG elements and hardcoded data, without scales or axes.

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