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(version: 1)
Comparing performance of:
for-in vs Object.keys vs Object.values vs Object.keys for i
Created:
one month ago
by:
Guest
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Script Preparation code:
var obj =[...new Array(1)].map(x=>({id:x,name:x}));
Tests:
for-in
for (var key in obj) { console.log(obj[key].id); }
Object.keys
Object.keys(obj).forEach(key => console.log(obj[key].id));
Object.values
Object.values(obj).forEach(n => console.log(n.id));
Object.keys for i
x = Object.keys(obj) for(let i=0;i<x.length;x++){ console.log(obj[i].id); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
for-in
Object.keys
Object.values
Object.keys for i
Fastest:
N/A
Slowest:
N/A
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