This version of LearnJSData uses the now deprecated D3v3. For the most up-to-date version of this guide, Go Here.
Access this guide in:
Each document in this repo is executed when loaded into a browser. Check it out by opening the Developer Tools Console. You should see the output of the following code block:
console.log("This is the index!");
Check out the full source on github.
There are other languages out there that do a great job with data wrangling: