This detailed tutorial shows how to implement pure functions in JavaScript that are deterministic and referentially transparent, and create no side effects.

vanilla-javascript-calculator Hello! I am a web dev in training, mostly learning on my own using tutorials and just good ole google. This is a Vanilla Javascript Calculator project that I created from ...

Calculator made in JavaScript 05/09/2022 - Created the basic layout. 11/09/2022 - Project complete and it is now a functioning basic calculator. The actual design is inspired by an iPhone calculator.

I also recommend Eloquent Javascript as a tutorial on the language if you like the style of my code.