Run results for: conditionally insert properties w/ terinary

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36

Browser: Chrome 88

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Tests:

boring
const obj = { hello: "world" }; if (Math.random()>.5) { obj.foo = "bar"; }
spread
const obj = { hello: "world", ...Math.random()>.5 && { foo: "bar" } };
Object.assign
const obj = Object.assign({ hello: "world" }, Math.random()>.5 && { foo: "bar" });
Terinary
const obj = { hello: "world" }; Math.random()>.5 ? obj.foo = "bar" : false