Bar chart with D3.js

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Bar chart with D3.js

✓ Published9🌍 Public

Last edited May 18, 2020

Created on May 15, 2020

This bar chart visualizes the popularity of programming languages using data from Stack Overflow’s 2019 survey. Hovering over a bar highlights it and displays the percentage difference between the hovered language’s value and every other language’s value, with a dashed reference line marking the selected baseline. The visualization uses D3.js v5 with SVG rendering, employing `d3.scaleBand` and `d3.scaleLinear` for axes, and `d3.axisLeft`/`d3.axisBottom` for gridlines and ticks. Interactive transitions via `d3.transition()` animate opacity changes on mouseenter and mouseleave events.

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