D3: Adding values and elements to a chart

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D3: Adding values and elements to a chart

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Last edited Aug 2, 2016

Created on Aug 2, 2016

This example shows a bar chart that grows dynamically as users click a text prompt, adding a new randomly generated value between 0 and 25 to the existing dataset. Each bar is labeled with its corresponding value, rendered as white text directly on the bar. The chart uses D3 v4’s `scaleBand` for the x-axis and `scaleLinear` for the y-axis, with SVG `rect` and `text` elements. Clicking triggers D3’s `.transition()` API to animate the bars and labels, smoothly repositioning and resizing them as the domain and axes update.

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gpl-3.0 Licensed

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