This is a simple graph demonstrating the addition of grid lines in conjunction with a line graph. This was written using d3.js v4 and is a follow on to the simple graph example here.
This graph is part of the code samples for the update to the book D3 Tips and Tricks to version 4 of d3.js.
forked from d3noob‘s block: Simple graph with grid lines in v4
forked from anonymous‘s block: Simple graph with grid lines in v4