compact javascript Code Snippet in 2025
arraybeginner
Last Updated: 30 October 2025
Removes falsy values from an array.
- Use
Array.prototype.filter()to filter out falsy values (false,null,0,"",undefined, andNaN).
const compact = arr => arr.filter(Boolean);compact([0, 1, false, 2, '', 3, 'a', 'e' * 23, NaN, 's', 34]); // [ 1, 2, 3, 'a', 's', 34 ]
javascript snippet similar to compact For You in November 2025
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