D3 Bar Graph example not working locally

Question

I am very new to D3, and wanted to see how an example would work locally. I copied and pasted the bar graph code to a local file called index.html, and also copied over the

Answer 1

The d3.tsv method makes an AJAX request for data. On most browsers, this won't work locally due to the Same Origin Policy, which generally prohibits AJAX requests to file:/// urls.

To get an example that uses AJAX running locally, you'll need a local webserver. If you have Python, running

> python -m SimpleHTTPServer

from the command line in the directory with your files will do it.

and if you are using python 3

> python -m http.server 9000

If you prefer node.js, try http-server.