Script Preparation code:
x
 
var BITWISE_FEATURE_A = 1;
var BITWISE_FEATURE_B = BITWISE_FEATURE_A<<1;
var BITWISE_FEATURE_C = BITWISE_FEATURE_B<<1;
var BITWISE_ENABLED = BITWISE_FEATURE_A ^ BITWISE_FEATURE_C;
var STRING_FEATURE_A = "yellow_scrollbar";
var STRING_FEATURE_B = "green_box";
var STRING_FEATURE_C = "blue_banner";
var STRING_ENABLED = STRING_FEATURE_A + STRING_FEATURE_C;
Tests:
  • Bitwise - Existing

     
    BITWISE_ENABLED & BITWISE_FEATURE_A === BITWISE_FEATURE_A
  • Bitwise - Non-Existing

     
    BITWISE_ENABLED & BITWISE_FEATURE_B === BITWISE_FEATURE_B
  • String - Existing

     
    STRING_ENABLED.indexOf(STRING_FEATURE_C) !== -1
  • String - Non-Existing

     
    STRING_ENABLED.indexOf(STRING_FEATURE_B) !== -1
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Bitwise - Existing
    Bitwise - Non-Existing
    String - Existing
    String - Non-Existing

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 5 years ago)
Mozilla/5.0 (Linux; Android 9; ANE-LX1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.117 Mobile Safari/537.36
Chrome Mobile 81 on Android
View result in a separate tab
Test name Executions per second
Bitwise - Existing 379446.3 Ops/sec
Bitwise - Non-Existing 386021.7 Ops/sec
String - Existing 563627.4 Ops/sec
String - Non-Existing 506159.6 Ops/sec