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Run results for:
list push vs splice
Go to the benchmark
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=569546" 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
Benchmark engine:
Benchmark.js
unshift
1.6M/s
append
1.5M/s
splice
1.3M/s
concat
1.1M/s
reverse
933K/s
View exact numbers
Test name
Executions per second
✓
unshift
1,556,175 Ops/sec
append
1,464,411 Ops/sec
splice
1,344,768 Ops/sec
concat
1,126,608 Ops/sec
reverse
933,269 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);