Run results for: in vs typeof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Browser: IE 11

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
in operator	11101210.0 Ops/sec
typeof	12881700.0 Ops/sec

Script Preparation code:

var a = { test: 1 }

Tests: