Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
Copy Array
Speed of array cloning
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=593861" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/136.2 Mobile/15E148 Safari/605.1.15
Browser:
Mobile Safari 18
Operating system:
iOS 18.3.2
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
Spread
167.3 Ops/sec
Slice
66.1 Ops/sec
Slice(0)
63.7 Ops/sec
concat
497.0 Ops/sec
Script Preparation code:
var len = 1000*1000; var arr = new Array(len);
Tests:
Spread
var arr2 = [...arr];
Slice
var arr2 = arr.slice();
Slice(0)
var arr2 = arr.slice(0);
concat
var arr2 = arr.concat();