Script Preparation code:
AخA
 
var a = "/1231231"
var b = "121312321"
Tests:
  • regex

     
    console.log(/^\//.test(a));
    console.log(/^\//.test(b));
  • noregex

     
    console.log(a.startsWith("/"))
    console.log(b.startsWith("/"))
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    regex
    noregex

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 4 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.162 Safari/537.36
Chrome 80 on Mac OS X 10.15.4
View result in a separate tab
Test name Executions per second
regex 40951.0 Ops/sec
noregex 41718.7 Ops/sec