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Run results for:
Array last index
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=509677" 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/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Pop
29K/s
Reverse
25K/s
Slice
22K/s
Length - 1
13K/s
View exact numbers
Test name
Executions per second
✓
Pop
28,684 Ops/sec
Reverse
25,111 Ops/sec
Slice
22,208 Ops/sec
Length - 1
12,875 Ops/sec
Script Preparation code:
var arr = []; for (let i = 0; i < 1000000; i++) { arr.push(i); }
Tests:
Slice
for (let i = 0; i < 1000; i++) { const v = arr.slice(-1)[0]; }
Length - 1
for (let i = 0; i < 1000; i++) { const v = arr[arr.length - 1]; }
Pop
for (let i = 0; i < 1000; i++) { const v = arr.pop(); }
Reverse
for (let i = 0; i < 1000; i++) { const v = arr.reverse()[0]; }