@extra-array/filter-update

Keeps values which pass a test. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Usage no npm install needed!

<script type="module">
  import extraArrayFilterUpdate from 'https://cdn.skypack.dev/@extra-array/filter-update';
</script>

README

Keeps values which pass a test. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: filter, filter$, filterAt.
Similar: map, filter, reject, reduce, accumulate.

This is part of package extra-array.


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