frankiehayward
10/9/2019 - 2:59 PM

compact

This snippet removes false values from an array.

const compact = arr => arr.filter(Boolean);

compact([0, 1, false, 2, '', 3, 'a', 'e' * 23, NaN, 's', 34]); 
// [ 1, 2, 3, 'a', 's', 34 ]