https://miniprogram.alipay.com/docs/miniprogram/mpdev/api_ui_canvas_canvas-context_canvascontext-quadraticcurveto
CanvasContext.quadraticCurveTo | Developer's Guide | Documentation
Create a quadratic cubic Bezier curve path. The start point of the former point of the path.It is Object type.
developerguidedocumentation
https://www.w3schools.com/TAGS/canvas_quadraticcurveto.asp
HTML canvas quadraticCurveTo() Method
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