Run results for: _.compact vs filter

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

_.compact

3K/s

filter

1K/s

View exact numbers

Test name	Executions per second
✓ _.compact	3,082 Ops/sec
filter	1,276 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.min.js"></script>

Script Preparation code:

var data = [];
data.length = 50000;

for (var i = 0; i < data.length; ++i) {
  data[i] = { key: 1000 + i * 10, something: "abc_" + i };
  if (i % 10 === 0) data[i] = null;    
}

Tests:

_.compact
var res = _.compact(data);
filter
var res = data.filter(x => x != null)