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Run results for:
Last item in array pop vs length - 1
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=574424" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
pop
1.0M/s
length - 1
24K/s
View exact numbers
Test name
Executions per second
✓
pop
1,019,513 Ops/sec
length - 1
24,297 Ops/sec
Script Preparation code:
var arr = []; for (let i = 0; i < 1000000; i++) { arr.push(i); }
Tests:
pop
for (let i = 0; i < 1000; i++) { const v = arr.pop(); }
length - 1
for (let i = 0; i < 1000; i++) { const v = arr[arr.length - 1]; }