Run results for: Filter-Map: Lodash chain vs Native

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Browser: Chrome 74

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Native filter-map	3.8 Ops/sec
Lodash filter-map	566685.6 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

var data = Array(1000000).fill({ filtering: true, mapping: 42 });

Tests:

Native filter-map
data.filter(({ filtering }) => filtering).map(({ mapping }) => mapping)
Lodash filter-map
_.chain(data).filter('filtering').map('mapping')