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pop() vs shift() vs unshift vs pop
(version: 0)
Comparing performance of:
pop vs shift vs unshift vs push
Created:
4 years ago
by:
Registered User
Jump to the latest result
Script Preparation code:
var array = []; for(var i = 0; i < 100000; i++){array.push(Math.random());}
Tests:
pop
while (array.length > 0) { array.pop(); }
shift
while (array.length > 0) { array.shift(); }
unshift
let a = []; for(var i = 0; i < 100000; ++i) { a.unshift(i); }
push
let a = []; for(var i = 0; i < 100000; ++i) { a.push(i); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
pop
shift
unshift
push
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one month ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0
Browser/OS:
Firefox 148 on Linux
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<iframe src="https://measurethat.net/Embed?id=626884" width="100%" height="500px"></iframe>
Test name
Executions per second
pop
102963016.0 Ops/sec
shift
1583071616.0 Ops/sec
unshift
244.2 Ops/sec
push
1980.8 Ops/sec
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