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30-seconds-of-code/snippets/filterFalsy.md
30secondsofcode 400c1ae1ad Travis build: 867
2018-12-07 16:18:45 +00:00

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filterFalsy

Filters out the falsy values in an array.

Use Array.prototype.filter() to get an array containing only truthy values.

const filterFalsy = arr => arr.filter(Boolean);
filterFalsy(['', true, {}, false, 'sample', 1, 0]); // [true, {}, 'sample', 1]