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Run results for:
omit (reduce) vs omit (Object.fromEntries) 2
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0
Browser:
Opera 117
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
omit 1
6259850.0 Ops/sec
omit2 1
6273293.5 Ops/sec
omit 8
1159204.1 Ops/sec
omit2 8
2237010.0 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
function omit(obj, keys) { return keys.reduce((a, e) => { const { [e]: _, ...rest } = a; return rest; }, obj); } function omit2(obj, keys) { return Object.fromEntries(Object.entries(obj).filter(([k]) => !keys.includes(k))); }
Tests:
omit 1
omit({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10 }, ['b']);
omit2 1
omit({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10 }, ['b']);
omit 8
omit({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10 }, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']);
omit2 8
omit2({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10 }, ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']);