Benchmark: forEach mutate object vs map spread copy

Script Preparation code:

const objects = [
  { a: 'XzWtv', b: 'sFqrG', c: 'qCbnP' },
  { a: 'yjkAu', b: 'vMhlE', c: 'xPqro' },
  { a: 'wNztX', b: 'gDypR', c: 'iHklL' },
  { a: 'mQjvs', b: 'dKzpt', c: 'aVbcO' },
  { a: 'bUefZ', b: 'cRiyG', c: 'uTqxs' }
]

Tests:

edit field with map and spread
objects.map(el => ({...el, d: Math.random()}))
edit field with forEach and mutation
objects.forEach(el => {el.d = Math.random()})

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
edit field with map and spread
edit field with forEach and mutation

Fastest: N/A

Slowest: N/A

Latest run results:

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forEach mutate object vs map spread copy (version: 0)

add field into object with forEach vs spread fields into new object with new field in array of objects

Comparing performance of: edit field with map and spread vs edit field with forEach and mutation

Created: one year ago by: Guest

Jump to the latest result

edit field with map and spread

edit field with forEach and mutation

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results