map.set([a,b,c],value);// <- reset to previous state
returnresult;
}
a1=({key:'value'})
a2=({key:'value'})
map2={
constmap2=newDeepWeakMap();
map2.set([a1],'some value');
returnmap2;
}
map2.has([a1])
map2.has([a2])
map3=newDeepWeakMap()
map3.set([1],'some value')// -> error
map3.set(["a"],'some value')// -> error
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.