8 lines
264 B
Markdown
8 lines
264 B
Markdown
### Compact
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Use `.filter()` to filter falsey values. For example false, null, 0, "", undefined, and NaN are falsey.
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```js
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const compact = (arr) => arr.filter(v => v);
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// compact([0, 1, false, 2, '', 3, 'a', 'e'*23, NaN, 's', 34]) -> [ 1, 2, 3, 'a', 's', 34 ]
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``` |