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Run results for:
Comparing performance of: array length = 0 vs array = [] vs arra.splice(0)
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User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
9 months ago
array.splice(0)
52.3M/s
array length = 0
34.0M/s
array = []
9.7M/s
View exact numbers
Test name
Executions per second
✓
array.splice(0)
52,274,420 Ops/sec
array length = 0
33,980,488 Ops/sec
array = []
9,685,842 Ops/sec
Script Preparation code:
var arr = [1,2,3,4];
Tests:
array length = 0
arr.length = 0
array = []
arr = []
array.splice(0)
arr.splice(0)