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Spread operator vs Array.push vs array[lastIndex]
(version: 0)
Comparing performance of:
Using spread operator vs Using push function vs Add to last index of array
Created:
7 years ago
by:
Guest
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Tests:
Using spread operator
const basicData = [{id: 1}, {id: 2}, {id: 3}]; const finalData = [...basicData, {id: 4}];
Using push function
var basicData = [{id: 1}, {id: 2}, {id: 3}]; basicData.push({id: 4});
Add to last index of array
var basicData = [{id: 1}, {id: 2}, {id: 3}]; basicData[basicData.length] = {id: 4};
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Using spread operator
Using push function
Add to last index of array
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/135.0.0.0 Safari/537.36 Edg/135.0.0.0
Browser/OS:
Chrome 135 on Windows
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<iframe src="https://measurethat.net/Embed?id=599418" width="100%" height="500px"></iframe>
Test name
Executions per second
Using spread operator
25436416.0 Ops/sec
Using push function
42488332.0 Ops/sec
Add to last index of array
41950552.0 Ops/sec
Related benchmarks:
Array: spread operator vs push
Pushing items via Array.push vs. Spread Operator
Array.push vs Spread operator
Array .push() vs spread operator
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