Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
concat vs unshift
(version: 0)
spread vs concat vs unshift
Comparing performance of:
arrayUnshift123 vs arrayConcat123
Created:
6 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var array = [1,2,3];
Tests:
arrayUnshift123
array.unshift(0);
arrayConcat123
array = [0].concat(array)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
arrayUnshift123
arrayConcat123
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
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/OS:
Chrome 131 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
Test name
Executions per second
arrayUnshift123
35973.5 Ops/sec
arrayConcat123
697.8 Ops/sec
Related benchmarks:
concat vs unshift vs spread
unshift vs concat vs spread of another array
spread vs concat vs unshift correct
unshift vs spread vs concat
spread vs concat vs unshift1
Comments
Confirm delete:
Do you really want to delete benchmark?