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Last edited Jun 14, 2017

Created on Jun 14, 2017

This example displays a simple bar chart of five categorical values labeled A through E, with bar heights corresponding to numeric values. Blue rectangles are drawn on an SVG canvas using D3 v4’s data join, with each bar’s x-position calculated sequentially based on a fixed width of 50 pixels. The vertical position and height derive from a constant chart height of 300 pixels minus each value, so taller bars extend upward from a shared baseline. The code uses `d3.select`, `selectAll`, `enter`, and `append` to bind the hard-coded array of objects and render the visualization.

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