Test name | Executions per second |
---|---|
Javascript Array.reduce/Array.indexOf | 95853.1 Ops/sec |
Lodash Uniq | 268497.0 Ops/sec |
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.5/lodash.min.js"></script>
var itemsCount = 1e2;
var items = Array.from({ length: itemsCount }, () => Math.floor(Math.random() * itemsCount));
items.reduce((list, item) => list.indexOf(item) > -1 ? list : [list, item], []);
_.uniq(items)