Run results for: omit function testing

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

obj = { name: 'Frank', age: '12', 1: 1, 2: 2, 3: 3 }
keys = ['age', 1, 3]

Tests:

current
const newObj = {}; const keysToInclude = Object.keys(obj).filter(key => !keys.includes(key)); for (const key of keysToInclude) { newObj[key] = obj[key]; }
new
const result = {}; for (const [key, value] of Object.entries(obj)) { if (!keys.includes(key)) { result[key] = value; } }
new delete
newObj = { ...obj }; keys.forEach(key => delete newObj[key])
new delete (assign)
const newObj = Object.assign({}, obj) keys.forEach(key => delete newObj[key])
new delete (mutates)
keys.forEach(key => delete obj[key])