Run results for: rest args vs arguments, spread vs apply

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

arguments spread

5.2M/s

rest args spread

5.1M/s

rest args apply

3.0M/s

arguments apply

2.9M/s

View exact numbers

Test name	Executions per second
✓ arguments spread	5,207,290 Ops/sec
rest args spread	5,085,720 Ops/sec
rest args apply	2,951,917 Ops/sec
arguments apply	2,937,543 Ops/sec

Script Preparation code:

let c1 = 0;
function f1() {
  	'use strict';
	c1++;
}

let c2 = 0;
function f2() {
  	'use strict';
	c2++;
}

let c3 = 0;
function f3() {
  	'use strict';
	c3++;
}

let c4 = 0;
function f4() {
  	'use strict';
	c4++;
}

function testRestArgsSpread(...args) {
  	f1(...args);
}

function testRestArgsApply(...args) {
  	f2.apply(undefined, args);
}

function testArgumentsSpread(...args) {
  	f3(...arguments);
}

function testArgumentsApply(...args) {
  	f4.apply(undefined, arguments);
}

Tests:

rest args spread
testRestArgsSpread('a', 1, 'b', 2, 'c', 3);
rest args apply
testRestArgsApply('a', 1, 'b', 2, 'c', 3);
arguments spread
testArgumentsSpread('a', 1, 'b', 2, 'c', 3);
arguments apply
testArgumentsApply('a', 1, 'b', 2, 'c', 3);