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Run results for:
Object.keys() allocation
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Execute everytime
26182.1 Ops/sec
Execute once
2227125.2 Ops/sec
Script Preparation code:
var obj = {0: '1', 1: '2', 2: '3', 3: '4', 4: '5'};
Tests:
Execute everytime
for (let i = 0; i < 100; i++) { let a = Object.keys(obj); }
Execute once
let b = Object.keys(obj); for (let i = 0; i < 100; i++) { let a = b; }