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true copy2
(version: 1)
...
Comparing performance of:
Array.prototype.slice vs Array.prototype.concat vs spread operator vs Array.from
Created:
5 years ago
by:
Registered User
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Tests:
Array.prototype.slice
const featured = ['Deep dish', 'Peperoni', 'Hawaiian']; const copyPizzas1 = featured.slice();
Array.prototype.concat
const featured = ['Deep dish', 'Peperoni', 'Hawaiian']; const copyPizzas2 = [].concat(featured);
spread operator
const featured = ['Deep dish', 'Peperoni', 'Hawaiian']; const copyPizzas3 = [...featured];
Array.from
const featured = ['Deep dish', 'Peperoni', 'Hawaiian']; const copyPizzas4 = Array.from(featured);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
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Test case name
Result
Array.prototype.slice
Array.prototype.concat
spread operator
Array.from
Fastest:
N/A
Slowest:
N/A
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