D3: SVG bar chart with value labels (centered)

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D3: SVG bar chart with value labels (centered)

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Last edited Sep 19, 2022

Created on Sep 19, 2022

This example renders a static SVG bar chart from an inline array of 20 numeric values, with each bar’s value displayed as white, centered text labels at its top. The visualization uses D3 v7’s data join (`selectAll`, `data`, `enter`) to append SVG `rect` elements and corresponding `text` elements, with bar heights and fill intensities scaled to the data. Bar spacing and label positioning are computed arithmetically from the chart width and dataset length, while text anchoring is handled via the `text-anchor` attribute.

AI-generated description

A bare minimum HTML page demonstrating use of CSS and JavaScript.

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