30-seconds-of-code/snippets/coalesce.md

title, tags

title	tags
coalesce	utility,beginner

Returns the first non-null/undefined argument.

Use Array.prototype.find() to return the first non null/undefined argument.

const coalesce = (...args) => args.find(_ => ![undefined, null].includes(_));

coalesce(null, undefined, '', NaN, 'Waldo'); // ""