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Run results for:
Slice vs deconstruction based copy
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<iframe src="https://measurethat.net/Embed?id=594536" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser:
Chrome 134
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
splice
6849.1 Ops/sec
deconstruct
1122.7 Ops/sec
Script Preparation code:
var array = Array(100).fill(1);
Tests:
splice
let i = 10000; while(i>0) { const t1 = array.slice() i--; }
deconstruct
let i = 10000; while(i>0) { const t1 = [...array]; i--; }