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ThinhPhan/filter-falsy.js

Created August 12, 2024 07:58
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JS - Filters out all the falsy values
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filter-falsy.js
// Falsy values in JavaScript are values that are considered false when evaluated in a Boolean context.
// These include0, false, "" (an empty string), undefined, NaN, and null.
const arr = [0, 1, false, 2, "", 3, undefined, NaN, null]
const filterFalsy = (arr) => arr.filter(Boolean)
console.log(filterFalsy(arr))
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