Script Preparation code:
AخA
 
var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
Tests:
  • includes

     
    return a.includes(9)
  • lookup

     
    return new Set(a).has(9)
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    includes
    lookup

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Windows
View result in a separate tab
Test name Executions per second
includes 2943542.2 Ops/sec
lookup 709635.9 Ops/sec