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Run results for:
Reduce Destructuring vs Assertion
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
acc[x] = true;
26K/s
{ ...acc, [x]: true }
2K/s
View exact numbers
Test name
Executions per second
✓
acc[x] = true;
25,718 Ops/sec
{ ...acc, [x]: true }
1,764 Ops/sec
Script Preparation code:
var arr = Array(10_000).fill(0);
Tests:
{ ...acc, [x]: true }
arr.reduce((acc, x) => ({ ...acc, [x]: true }), {})
acc[x] = true;
arr.reduce((acc, x) => { acc[x] = true; return acc; }, {})