There's also a really nice pre-existing library for this: PathJS. https://github.com/mtrpcic/pathjs https://github.com/mtrpcic/pathjs Been using this for a wh

There's also a really nice pre-existing library for this: PathJS. https://github.com/mtrpcic/pathjs https://github.com/mtrpcic/pathjs Been using this for a while, with a lot of success.