Script Preparation code:
x
 
var map1 = new Map();
map1.set('a', 999);
map1.set('b', 3000);
Tests:
  • null

     
    map1.set('a', null);
    map1.set('b', null);
  • undefined

     
    map1.set('a', undefined);
    map1.set('b', undefined);
  • delete

     
    map1.delete('a');
    map1.delete('b');
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    null
    undefined
    delete

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
Chrome 95 on Windows
View result in a separate tab
Test name Executions per second
null 4272062.0 Ops/sec
undefined 1672979.2 Ops/sec
delete 4675451.5 Ops/sec