//mutable x='黄钟、大吕、太簇、夹钟、姑洗、仲吕、蕤宾、林钟、夷则、南吕、无射、应钟'.split("、")
draw_chart(data)
viewof buttons = startStop()
//import {buttonsBCF} from "@bcfarley/buttonsbcf"
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
