Keeps values which pass a test.
Alternatives: filter, filter$, filterAt.
Similar: map, filter, reject, reduce, accumulate.
This is part of package extra-array.
This is browserified, minified version of @extra-array/filter-update.
It is exported as global variable array_filter$.
CDN: unpkg, jsDelivr.
array.filter$(x, ft);
// x: an array (updated)
// ft: test function (v, i, x)
// → x
const array = require("extra-array");
var x = [1, 2, 3, 4, 5];
array.filter$(x, v => v % 2 === 1);
// [ 1, 3, 5 ]
x;
// [ 1, 3, 5 ]
var x = [1, 2, 3, 4, 5];
array.filter$(x, v => v % 2 === 0);
// [ 2, 4 ]
References
- Data.List.filter: Haskell
- Array.prototype.filter: MDN web docs
- array_filter: PHP
- _.remove: lodash
- _.without: lodash
- _.compact: lodash
- _.pull: lodash
- _.pullAll: lodash
- _.pullAllBy: lodash
- _.pullAllWith: lodash
- Array.filter: sugarjs
- Array.exclude: sugarjs
- Array.compact: sugarjs
- array-tools.where: @75lb