var string = ' ';
var regPattern = new RegExp(/\A\s*\z/g);
regPattern.test(string)
string.trim().length === 0
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