Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36
Chrome 101
Linux
Desktop
2 years ago
Test name Executions per second
String concatenation 215045360.0 Ops/sec
Concat method 215769712.0 Ops/sec
Script Preparation code:
AخA
 
let str1 = '';
let str2 = '';
Tests:
  • String concatenation

     
    for (i = 0; i > 1000; i++) {
        str1 += "random text. ";
    }
  • Concat method

     
    for (i = 0; i > 1000; i++) {
        str2 = str2.concat("random text. ");
    }