Run results for: instanceof vs typeof vs !!

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Chrome 129
Mac OS X 10.15.7
Desktop
one year ago
!!
22.6M/s
typeof
22.4M/s
typeof no function
11.9M/s
instanceof
8.9M/s
View exact numbers
Test name Executions per second
✓ !! 22,561,318 Ops/sec
typeof 22,400,460 Ops/sec
typeof no function 11,924,350 Ops/sec
instanceof 8,864,094 Ops/sec
Script Preparation code:
Tests: