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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=519952" 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/121.0.0.0 Safari/537.36 OPR/107.0.0.0
Browser:
Opera 107
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Terinary
11.2M/s
boring
9.4M/s
spread
6.8M/s
Object.assign
4.1M/s
View exact numbers
Test name
Executions per second
✓
Terinary
11,231,471 Ops/sec
boring
9,409,034 Ops/sec
spread
6,808,348 Ops/sec
Object.assign
4,095,814 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