Run results for: "In" vs "Undefined" property access

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 14

Operating system: iOS 14.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
In	331678400.0 Ops/sec
property access	339907200.0 Ops/sec

Tests:

In
const foo = {} const a = 'status' in foo ? 1 : 0; const b = 'dog' in foo ? 0 : 1; const c = 'shaggy' in foo ? 2 : 1; const d = 'the' in foo ? 100000 : 10323;
property access
const foo = {} const a = foo.status ? 1 : 0; const b = foo.dog ? 0 : 1; const c = foo.shaggy ? 2 : 1; const d = foo.the ? 100000 : 10323;