var A = 'test1';
var B = 'test2'
var result = [A, B].join(' ');
var result = `${A} ${B}`.trim();
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