Run results for: 2022.07.30 assign vs spread

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Tests:

Object.assign mutate
var params = { b:"hello", c: true, d:7 }; var p = { a: 2 } var other = Object.assign(p, params);
spread operator
var params = { b:"hello", c: true, d:7 }; var p = { a: 2 } var other = { ...params, ...p };
Manual Update
var params = { b:"hello", c: true, d:7 }; var p = {a: 2, b: "NEW"} for (const key of Object.keys(p)) { params[key] = p[key] }
object assign copy
var params = { b:"hello", c: true, d:7 }; var p = { a: 2 } var other = Object.assign({}, params, p);