Function names should say what they do

Bad:

function addToDate(date, month) {
  // ...
}

const date = new Date();

// It's hard to tell from the function name what is added
addToDate(date, 1);

Good:

function addMonthToDate(month, date) {
  // ...
}

const date = new Date();
addMonthToDate(1, date);

Why

• It aids rapid understanding of what a function does without reading all the source code or referring to tests.

Derivative work

This work is a derivative of "clean-code-javascript" by Ryan Mcdermott, originally licensed under MIT. The original version can be found here.