filter - nodef/extra-lists GitHub Wiki
Keep entries which pass a test.
function filter(x, ft)
// x: lists
// ft: test function (v, k, x)
const xlists = require('extra-lists');
var x = ['a', 'b', 'c', 'd', 'e'], [1, 2, 3, 4, 5](/nodef/extra-lists/wiki/'a',-'b',-'c',-'d',-'e'],-[1,-2,-3,-4,-5);
xlists.filter(x, v => v % 2 === 1);
// → [ [ 'a', 'c', 'e' ], [ 1, 3, 5 ] ]
xlists.filter(x, v => v % 2 === 0);
// → [ [ 'b', 'd' ], [ 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