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Run results for:
array performance (vs slice, splice, length = 0)
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<iframe src="https://measurethat.net/Embed?id=507513" 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
Browser:
Chrome 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Slice
72.0M/s
Splice
34.5M/s
Length as 0
26.5M/s
View exact numbers
Test name
Executions per second
✓
Slice
72,047,456 Ops/sec
Splice
34,482,524 Ops/sec
Length as 0
26,480,294 Ops/sec
Tests:
Splice
const testArray = [1, 2, 3]; const newTestArray = testArray.splice(0);
Slice
const testArray = [1, 2, 3]; const newTestArray = testArray.slice();
Length as 0
const testArray = [1, 2, 3]; testArray.length = 0; const newTestArray = testArray;