Importing local json file using d3.json does not work

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If you’re running in a browser, you cannot load local files.

But it’s fairly easy to run a dev server, on the commandline, simply cd into the directory with your files, then:

python -m SimpleHTTPServer

(or python -m http.server using python 3)

Now in your browser, go to localhost:3000 (or :8000 or whatever is shown on the commandline).

The following used to work in older versions of d3:

var json = {"my": "json"};
d3.json(json, function(json) {
    root = json;
    root.x0 = h / 2;
    root.y0 = 0;
});

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