D3 multi-series line chart from pivoted JSON

Question

There is a great example of a multi-series line chart here http://bl.ocks.org/mbostock/3884955 and if the tsv data were laid out I\'m sure it would look something like this:

Answer 1

One answer, if i want read this date of file/url with json equals, how i read this??

Solution:

d3.json("data.json", function(error, data) {
color.domain(data.map(function(key) {
return key.data;
}));