Run results for: undefined vs typeof vs !!

undefined vs typeof vs !!

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Chrome 130
Linux
Desktop
one year ago
Benchmark.js
void 0;
17.0M/s
!!
16.9M/s
typeof
16.6M/s
strict
8.9M/s
View exact numbers
Test name Executions per second
✓ void 0; 17,024,472 Ops/sec
!! 16,881,138 Ops/sec
typeof 16,618,441 Ops/sec
strict 8,880,571 Ops/sec
Script Preparation code:
Tests: