Run results for: instanceof vs typeof

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 Edg/137.0.0.0
Chrome 137
Windows
Desktop
one year ago
typeof and test attribute
144.6M/s
instanceof
143.8M/s
typeof
140.1M/s
typeof no function
132.1M/s
View exact numbers
Test name Executions per second
✓ typeof and test attribute 144,580,976 Ops/sec
instanceof 143,827,504 Ops/sec
typeof 140,080,864 Ops/sec
typeof no function 132,103,264 Ops/sec
Script Preparation code:
Tests: