Run results for: Check function. typeof vs constructor + null check

Difference between typeof(a => {}) === 'function' and (a => {}).constructor === Function

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36
Chrome Mobile 120
Android
Mobile
2 years ago
typeof
17.2M/s
constructor
4.3M/s
View exact numbers
Test name Executions per second
✓ typeof 17,204,464 Ops/sec
constructor 4,326,906 Ops/sec
Script Preparation code:
Tests: