Does there exist a d3 API that can perform the equivalent of d3.sum for string concatenation.
Like
const data = [{x:650,y:300,z:“1”,f:“a”},{x:650,y:150,z:“2”,f:“b”}];
const sum = d3.sum(data,d=>d.y);
const concatenated = data.reduce((acc, curr, index) => {
if (index === 0) {
return${curr.f}${curr.z}
;
} else {
return${acc},${curr.f}${curr.z}
;
}
}, ‘’);console.log(sum, concatenated);
Thank you in advance