Run results for: Property Assignment vs Symbol Assignment

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Browser: Chrome 65

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Property	3778792.8 Ops/sec
Symbol	1759496.5 Ops/sec

Script Preparation code:

window.sym = Symbol("key");
window.obj = {a: 1, b: 2};

Tests: