Run results for: LDVNTV

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Native filter-map	0.0 Ops/sec
Lodash filter-map	6.6 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: false, mapping: 42, filter2: false, filter3: false });

Tests:

Native filter-map
data.filter(({ filtering }) => filtering).filter(({ filter2 }) => filtering).filter(({ filter3 }) => filtering).map(({ mapping }) => mapping).length
Lodash filter-map
_.chain(data).filter('filtering').filter('filter2').filter('filter3').map('mapping').value().length