Script Preparation code:
AخA
 
var string = '               ';
var regPattern = new RegExp(/\A\s*\z/g);
Tests:
  • regex

     
    regPattern.test(string)
  • trim

     
    string.trim().length === 0
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    regex
    trim

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
regex 13625882.0 Ops/sec
trim 22432358.0 Ops/sec