Run results for: destructuring vs for-in

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
destructuring	1010654.0 Ops/sec
for...in	1027768.0 Ops/sec

Script Preparation code:

var props = {key: 1, ref: () => {}, a: 1, b: "b", children: ["hello world"]};

Tests:

destructuring
const {key, ref, ...props1} = props;
for...in
let key; let ref; const props1 = {}; for (const name in props) { if (name === "key") { key = props[name]; } else if (name === "ref") { ref = props[name]; } else { props1[name] = props[name]; } }