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Selecting a year on a line chart

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Jjlongwellchc
Last edited Oct 10, 2019
Created on Sep 19, 2019

This interactive line chart displays population trends over time for major world regions, with a vertical black line highlighting the year 2018 as a selected reference point. The visualization uses D3 v5’s `scaleTime`, `scaleLinear`, and `nest` to structure the data, while the `lineChart` function renders the lines with `curveBasis` smoothing. A color legend is generated via a custom `colorLegend` component, and population data comes from UN estimates and medium-variant projections loaded through `csv`. The chart employs SVG rendering with axis ticks and labels styled via CSS.

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MIT Licensed

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