Further reading

• A mostly adequate guide to functional programming—a free book on functional programming in JavaScript:

https://github.com/MostlyAdequate/mostly-adequate-guide.

• Examples of cache functions that you may want to use with the Reselect library:

https://github.com/reduxjs/reselect#q-the-default-memoization-function-is-no-good-can-i-use-a-different-one.

• Information on referential transparency:

https://softwareengineering.stackexchange.com/questions/254304/what-is-referential-transparency.

• Eric's Elliott mastering JavaScript interview series episode, Pure Functions:

https://medium.com/javascript-scene/master-the-javascript-interview-what-is-a-pure-function-d1c076bec976.

• A historical post that predicted the future, The future of JavaScript MVCs:

http://swannodette.github.io/2013/12/17/the-future-of-javascript-mvcs.

• This is old but still worth a read...