Toggle navigation
MeasureThat
.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Array .push() vs .unshift() vs spread
Go to the benchmark
Embed
Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
.push()
15.1M/s
.unshift()
49K/s
Spread
1/s
View exact numbers
Test name
Executions per second
✓
.push()
15,129,884 Ops/sec
.unshift()
48,633 Ops/sec
Spread
1 Ops/sec
Script Preparation code:
var arr = [10]
Tests:
.unshift()
arr.unshift(42)
.push()
arr.push(42)
Spread
arr = [42,...arr]