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Dev.to
6/30/2026
Build a Box Plot Calculator in Pure JavaScript — No Libraries Needed

Build a Box Plot Calculator in Pure JavaScript — No Libraries Needed

Short summary

Learn to build a production-ready box plot calculator from scratch using vanilla JavaScript and SVG, eliminating the need for heavy charting libraries. The tutorial covers mathematical foundations including computing quartiles via linear interpolation (matching NumPy/pandas defaults), detecting outliers with Tukey's fences method, and rendering interactive visualizations with proper coordinate scaling. Suitable for developers building analytics platforms or data visualization tools.

  • •Build box plot calculator with vanilla JavaScript and SVG
  • •Master quartile computation and Tukey's outlier detection
  • •Includes working code and explanation of statistical concepts

Generated with AI, which can make mistakes.

#certification-education#open-source
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