xs = [[1,2],[3,4]]
[].concat(...xs)
xs.reduce((acc, x) => [...acc, ...x], [])
xs.reduce((acc, x) => [].concat(acc, x), [])
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.
