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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

plus_operator

48K/s

concat()

44K/s

View exact numbers

Test name	Executions per second
✓ plus_operator	47,680 Ops/sec
concat()	43,585 Ops/sec

Script Preparation code:

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

Tests: