Run results for: JS multiple function arguments vs. single arguments object

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.3.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Multiple arguments	169221904.0 Ops/sec
args object	6089030.0 Ops/sec

Script Preparation code:

var data = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 6 };

function f1(a, b, c, d, e, f, g) {
  return a + b + c + d + e + f + g;
}

Tests:

Multiple arguments
f1(data.a, data.b, data.c, data.d, data.e, data.f, Math.random())
args object
f1({ a: data.a, b: data.b, c: data.c, d: data.d, e: data.e, f: data.f, g: Math.random() })