array-countall

Count occurences of all values in array.

Usage no npm install needed!

<script type="module">
  import arrayCountall from 'https://cdn.skypack.dev/array-countall';
</script>

README

array-countall

NOTE: array-countall was renamed to @extra-array/count-all. NPM

Count occurences of all values in array.

const countAll = require('array-countall');
// countAll(<array>, [begin=0], [end], [target=new Map()])
// -> <target>

countAll(['e', 'e', 'r', 'i', 'e']);
// Map {'e' => 3, 'r' => 1, 'i' => 1}
countAll(['e', 'e', 'r', 'i', 'e'], 1);
// Map {'e' => 2, 'r' => 1, 'i' => 1}
countAll(['e', 'e', 'r', 'i', 'e'], 1, 4);
// Map {'e' => 1, 'r' => 1, 'i' => 1}