Importing data from multiple csv files in D3

Question

I am brand new to D3 and just started working on an a project. My question is this. I want to import data from 2 csv files in D3 to use them for graph comparisons. The probl

Answer 1

In d3 version 5, you can use Promise.all to load multiple csv files. Example:

Promise.all([
    d3.csv("file1.csv"),
    d3.csv("file2.csv"),
]).then(function(files) {
    // files[0] will contain file1.csv
    // files[1] will contain file2.csv
}).catch(function(err) {
    // handle error here
})

More info about loading csv in d3 v5

More info about Promise.all()