Run results for: concat tester2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
js	261512.6 Ops/sec
ramda concat	573307.3 Ops/sec
im	19629.4 Ops/sec
js2	278209.6 Ops/sec

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>
<script type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js'></script>

Script Preparation code:

function double(n) {
	return n*2;
}
var data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30];

Tests:

js
const d = data.concat(data); const e = d.concat(d); const f = e.concat(e).map(double);
ramda concat
const con = data => R.concat(data, data) const f = R.map(double,con(con(con(data))))
im
const con = data => data.concat(data) const f = con(con(con(Immutable.fromJS(data)))).map(double)
js2
const con = data => data.concat(data) const f = con(con(con(data))).map(double)

Run results for: concat tester2

based on https://measurethat.net/Benchmarks/Show/2649/1/map-native-vs-ramda-vs-lodash-vs-immutable

js

ramda concat

im

js2