Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
JS Array Clearing 2
(version: 1)
Comparing performance of:
Length = 0 vs Splice vs Re-assign
Created:
one year ago
by:
Guest
Jump to the latest result
Script Preparation code:
var a = []; for (var i=0; i < 1000000;i++){ a.push("item"+i); }
Tests:
Length = 0
a.length = 0;
Splice
a.splice(0, a.length-1);
Re-assign
a = []
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Length = 0
Splice
Re-assign
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/133.0.0.0 Safari/537.36
Browser/OS:
Chrome 133 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=591312" width="100%" height="500px"></iframe>
Test name
Executions per second
Length = 0
27164878.0 Ops/sec
Splice
38335840.0 Ops/sec
Re-assign
7482026.5 Ops/sec
Related benchmarks:
array.splice vs for loop
create array
native test
Slice v splice
JS Array Clearing
Array elements adding
Array elements adding 2
spilce vs slice
spilce and slice
Comments
Confirm delete:
Do you really want to delete benchmark?