Run results for: defineProperty vs assign vs set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.67

Browser: Chrome 114

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 10 months ago

Script Preparation code:

var a = [...Array(1000).keys()].map((k) => [String(k), String(k)])

Tests:

defineProperty
var b = {} for (const [k, v] of a) { Object.defineProperty(b, k, {value: v}) }
assign
var c = {} for (const [k, v] of a) { Object.assign(c, { [k]: v }) }
set
var d = {} for (const [k, v] of a) { d[k] = v }