Sohu Tech Products

Jun 7, 2023 · Frontend Development

Implementing a Custom Interactive Curve Chart with Canvas and Bezier Curves

This article explains how to build a feature‑rich, responsive curve chart from scratch using HTML5 canvas, covering layer separation, adaptive sizing, custom gradient fills, Bezier curve calculations, point‑on‑path detection, label handling, animation masking, and a complete configuration object with code examples.