Run results for: filter vs compact vs flat

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; HD1913) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.36 OPR/58.1.2878.53288

Browser: Opera Mobile 58

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
lodash filter	754919.5 Ops/sec
lodash compact	1427980.0 Ops/sec
Native filter	2172572.0 Ops/sec
Native flat	160983.9 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var ops = [null, 1, 2, 3, 4, 5, null, null, null, 3, 4,5, 6, 34,341,2,2,2,1,212,21212,34,1,3112, null];

Tests:

lodash filter
_.filter(ops, op => !!op)
lodash compact
_.compact(ops)
Native filter
ops.filter(op => !!op)
Native flat
ops.flat()

Run results for: filter vs compact vs flat

lodash filter

lodash compact

Native filter

Native flat