var string1 = "Hello ";
var string2 = " world!";
var message = string1.concat(string2);
var message = string1 + string2;
FAQ: FAQ
Source code: GitHub/MeasureThat.net
Report issues: MeasureThat.net/Issues
Based on: Benchmark.js
Facebook page: https://www.facebook.com/MeasureThat.Net
Python benchmarks support: Pyodide