#books/tech
Vi referências de que era uma boa maneira para começar a aprender JavaScript (que a meu ver já se tornou uma linguagem "onipresente" quando se trata de web).
Functions and side effects:
Functions can be roughly divided into those that are called for their side effects and those tat are called for their return value.
(...) Functions that create values are easier to combine in new ways than functions that directly perform side effects.