Line Graphs Using d3.js

Simple examples of line graphs implemented using d3.js:

Simple Line Graph http://bl.ocks.org/2579599 https://gist.github.com/2579599

Line Graph with Dual-scaled Axes http://bl.ocks.org/2579619 https://gist.github.com/2579619

Line graph over time with multiple data points http://bl.ocks.org/2580640 https://gist.github.com/2580640

UPDATE: I added an interactive version with scrubbing and dynamic updating.