Run results for: JS multiple parameters vs parameter object - more tests

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
individualParams: Multiple parameters	3861660.5 Ops/sec
individualParams: Existing parameter object	4906332.0 Ops/sec
individualParams: Parameter object with spreading	5535733.0 Ops/sec
individualParams: New parameter object from values	6956596.5 Ops/sec
individualParams: New parameter object from object	3149514.0 Ops/sec
objectInAndUsed: Multiple parameters	3701235.2 Ops/sec
objectInAndUsed: Existing parameter object	6498741.5 Ops/sec
objectInAndUsed: Parameter object with spreading	7611934.0 Ops/sec
objectInAndUsed: New parameter object from values	10988556.0 Ops/sec
objectInAndUsed: New parameter object from object	3733742.0 Ops/sec
objectInAndDestructured: Multiple parameters	3669334.8 Ops/sec
objectInAndDestructured: Existing parameter object	6514826.0 Ops/sec
objectInAndDestructured: Parameter object with spreading	7564825.0 Ops/sec
objectInAndDestructured: New parameter object from values	10885777.0 Ops/sec
objectInAndDestructured: New parameter object from object	3742395.2 Ops/sec

Script Preparation code:

var data = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7 }

function individualParams(a, b, c, d, e, f, g) {
  return a + b + c + d + e + f + g;
}

function objectInAndUsed(p) {
  return p.a + p.b + p.c + p.d + p.e + p.f + p.g;
}

function objectInAndDestructured(p) {
  const {a, b, c, d, e, f, g} = p;
  return a + b + c + d + e + f + g;
}

Tests:

individualParams: Multiple parameters
individualParams(data.a, data.b, data.c, data.d, data.e, data.f, Math.random())
individualParams: Existing parameter object
data.g = Math.random(); individualParams(data)
individualParams: Parameter object with spreading
individualParams({ ...data, g: Math.random() })
individualParams: New parameter object from values
individualParams({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: Math.random() })
individualParams: New parameter object from object
individualParams({a: data.a, b: data.b, c: data.c, d: data.d, e: data.e, f: data.f, g: Math.random()})
objectInAndUsed: Multiple parameters
objectInAndUsed(data.a, data.b, data.c, data.d, data.e, data.f, Math.random())
objectInAndUsed: Existing parameter object
data.g = Math.random(); objectInAndUsed(data)
objectInAndUsed: Parameter object with spreading
objectInAndUsed({ ...data, g: Math.random() })
objectInAndUsed: New parameter object from values
objectInAndUsed({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: Math.random() })
objectInAndUsed: New parameter object from object
objectInAndUsed({a: data.a, b: data.b, c: data.c, d: data.d, e: data.e, f: data.f, g: Math.random()})
objectInAndDestructured: Multiple parameters
objectInAndDestructured(data.a, data.b, data.c, data.d, data.e, data.f, Math.random())
objectInAndDestructured: Existing parameter object
data.g = Math.random(); objectInAndDestructured(data)
objectInAndDestructured: Parameter object with spreading
objectInAndDestructured({ ...data, g: Math.random() })
objectInAndDestructured: New parameter object from values
objectInAndDestructured({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: Math.random() })
objectInAndDestructured: New parameter object from object
objectInAndDestructured({a: data.a, b: data.b, c: data.c, d: data.d, e: data.e, f: data.f, g: Math.random()})

Run results for: JS multiple parameters vs parameter object - more tests

Test whether it is faster to pass a single object or multiple parameters to a function call.

individualParams: Multiple parameters

individualParams: Existing parameter object

individualParams: Parameter object with spreading

individualParams: New parameter object from values

individualParams: New parameter object from object

objectInAndUsed: Multiple parameters

objectInAndUsed: Existing parameter object

objectInAndUsed: Parameter object with spreading

objectInAndUsed: New parameter object from values

objectInAndUsed: New parameter object from object

objectInAndDestructured: Multiple parameters

objectInAndDestructured: Existing parameter object

objectInAndDestructured: Parameter object with spreading

objectInAndDestructured: New parameter object from values

objectInAndDestructured: New parameter object from object