Benchmark: Delete vs destructure for objects without mutating s

Script Preparation code:

var obj = {
  a:1,
  b:2,
  c:3
}

Tests:

delete - assign
delete obj.a
Rest object
const { a, ...rest } = obj;
delete - spread operator
const copy = { ...obj } delete obj.a
delete - JSON.stringify
const copy = JSON.parse(JSON.stringify(obj)); delete obj.a

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
delete - assign
Rest object
delete - spread operator
delete - JSON.stringify

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser/OS: Firefox 124 on Linux

View result in a separate tab

delete - assign

96.4M/s

Rest object

24.2M/s

delete - spread operator

21.2M/s

delete - JSON.stringify

3.6M/s

View exact numbers

Test name	Executions per second
✓ delete - assign	96,355,000 Ops/sec
Rest object	24,242,210 Ops/sec
delete - spread operator	21,174,394 Ops/sec
delete - JSON.stringify	3,591,428 Ops/sec

Delete vs destructure for objects without mutating s (version: 0)

Measure the performance of delete versus removing a prop from an object without mutating

Comparing performance of: `delete - assign vs Rest object vs delete - spread operator vs delete - JSON.stringify`

Created: 2 years ago by: Guest

Go to the latest result

delete - assign

Rest object

delete - spread operator

delete - JSON.stringify

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Delete vs destructure for objects without mutating s (version: 0)

Measure the performance of delete versus removing a prop from an object without mutating

Comparing performance of: delete - assign vs Rest object vs delete - spread operator vs delete - JSON.stringify

Created: 2 years ago by: Guest

Go to the latest result

delete - assign

Rest object

delete - spread operator

delete - JSON.stringify

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `delete - assign vs Rest object vs delete - spread operator vs delete - JSON.stringify`