Run results for: omit testing

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36

Browser: Chrome 84

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
omit (object + object.keys)	953572400.0 Ops/sec
omit for	974206100.0 Ops/sec

Script Preparation code:

  const testObject = {
    param1: 'test string',
    param2: 'test string',
    param3: 'test string',
    param4: 'test string',
    param5: 'test string',
    param6: { a: 1, b: 2 },
    param7: { a: 1, b: 2 },
    param8: { a: 1, b: 2 },
    param9: { a: 1, b: 2 },
    param10: { a: 1, b: 2 },
  };

Tests:

omit (object + object.keys)
const _omit = (obj, exclusions) => { const result = {}; for (const key of Object.keys(obj)) { if (!exclusions[key]) { result[key] = obj[key]; } } return result; };
omit for
const _omitFor = (obj, exclusions) => { const keys = Object.keys(obj); const result = {}; for (let i = 0; i < keys.length; i++) { if (!exclusions[keys[i]]) { result[keys[i]] = obj[keys[i]]; } } return result; };

Run results for: omit testing

omit (object + object.keys)

omit for