Run results for: Javascript recursiveDeepCopy Vs. Object.Assign

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.0

Browser: Firefox 149

Operating system: Windows

Device Platform: Desktop

Date tested: one month ago

Object.Assign

14.9M/s

recursiveDeepCopy

6.5M/s

View exact numbers

Test name	Executions per second
✓ Object.Assign	14,863,987 Ops/sec
recursiveDeepCopy	6,455,364 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var foo = {
  name: "Title",
  size: "38041292",
  crc: "a0e2ece5",
  md5: "db0111e93941df77fcb9e911604a7667",
  sha1: "8071353940df7f22a178c401819af4bfd0d3727e"
}

Tests:

Object.Assign
const clonedObject = Object.assign({}, foo);
recursiveDeepCopy
function recursiveDeepCopy(o) { let newO, i; if (typeof o !== 'object') { return o; } if (!o) { return o; } if (Array.isArray(o)) { newO = []; for (i = 0; i < o.length; i += 1) { newO[i] = recursiveDeepCopy(o[i]); } return newO; } newO = {}; for (i in o) { if (o.hasOwnProperty(i)) { newO[i] = recursiveDeepCopy(o[i]); } } return newO; } const clonedObject = recursiveDeepCopy(foo)

Run results for: Javascript recursiveDeepCopy Vs. Object.Assign

Comparing a deep copy function to assign for shallow copies.

Object.Assign

recursiveDeepCopy