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

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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.66
Chrome 87
Windows
Desktop
3 years ago
Test name Executions per second
typeof 12648367.0 Ops/sec
constructor 4050424.0 Ops/sec
Script Preparation code:
Tests:

  • typeof

  • constructor