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Run results for:
conditionally insert properties w/ terinary
https://www.reddit.com/r/javascript/comments/mrzrty/the_shortest_way_to_conditionally_insert/
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<iframe src="https://measurethat.net/Embed?id=628677" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36 Edg/148.0.0.0
Browser:
Chrome 148
Operating system:
Windows
Device Platform:
Desktop
Date tested:
14 hours ago
Test name
Executions per second
boring
103672168.0 Ops/sec
spread
42743488.0 Ops/sec
Object.assign
33700044.0 Ops/sec
Terinary
104587800.0 Ops/sec
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