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Run results for:
list push vs splice
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=552707" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0
Browser:
Firefox 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
concat
6.9M/s
append
4.5M/s
unshift
3.5M/s
reverse
3.3M/s
splice
3.3M/s
View exact numbers
Test name
Executions per second
✓
concat
6,880,998 Ops/sec
append
4,458,611 Ops/sec
unshift
3,480,078 Ops/sec
reverse
3,302,087 Ops/sec
splice
3,251,962 Ops/sec
Script Preparation code:
l = 123;
Tests:
append
a = Array(l); a.push(3);
splice
a = Array(l); a.splice(0,0,3);
reverse
a = Array(l); a.reverse().push(3); a.reverse();
concat
a = Array(l); a = [3].concat(a);
unshift
a = Array(l); a.unshift(3);