Run results for: Javascript 'concat()' vs '+' for strings

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0

Browser: Firefox 155

Operating system: Linux

Device Platform: Desktop

Date tested: 10 days ago

Benchmark engine: Benchmark.js

plus_operator

751K/s

concat()

108K/s

View exact numbers

Test name	Executions per second
✓ plus_operator	750,662 Ops/sec
concat()	107,981 Ops/sec

Script Preparation code:

var string1 = "Hello ";
var string2 = " world!";

Tests: