Run results for: Multiple args VS Object arg

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36 OPR/63.0.3368.71

Browser: Opera 63

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Multi args (1)	1370.7 Ops/sec
Multi args (2)	1255.3 Ops/sec
Single arg (1)	1374.6 Ops/sec
Single arg (2)	213.0 Ops/sec

Script Preparation code:

function multiArgs(a, b, c, d, e, f, g, h) {
	return a + b + c + d + e + f + g + h
}

function multiArgs2(...args) {
	return args.reduce((acc, val) => acc += val, 0)
}

function singleArg(obj) {
  	return obj.a + obj.b + obj.c + obj.d + obj.e + obj.f + obj.g + obj.h
}

function singleArg2(obj) {
	return Object.values(obj).reduce((acc, val) => acc += val, 0)
}

Tests:

Multi args (1)
for (let i = 0; i < 10000; ++i) { multiArgs(1, 2, 3, 4, 5, 6, 7, 8) }
Multi args (2)
for (let i = 0; i < 10000; ++i) { multiArgs2(1, 2, 3, 4, 5, 6, 7, 8) }
Single arg (1)
for (let i = 0; i < 10000; ++i) { singleArg({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8 }) }
Single arg (2)
for (let i = 0; i < 10000; ++i) { singleArg2({ a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8 }) }

Run results for: Multiple args VS Object arg

Multi args (1)

Multi args (2)

Single arg (1)

Single arg (2)