Run results for: 123454

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36 Edg/101.0.1210.39

Browser: Chrome 101

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
ForEach	2128207.0 Ops/sec
FromEntries	2255318.0 Ops/sec

Script Preparation code:

var array = [
  obj = {
    'a': null,
    'b': 1,
    'c': null,
    'd': 1,
    'e': 1,
    'f': 1,
    'g': null,
  }
]

Tests:

ForEach
array.forEach((obj) => { Object.keys(obj).forEach((key) => { if (obj[key] === null) delete obj[key] }) })
FromEntries
array.forEach((obj) => { Object.keys(obj).filter(key => key !== null) })