Run results for: Spread Operator VS Direct assign

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Android

Device Platform: Desktop

Date tested: 22 days ago

Test name	Executions per second
Spread Operator	15577910.0 Ops/sec
Direct assign	20514760.0 Ops/sec

Tests:

Spread Operator
const state = { dimensions: { x: 10, y: 10 } } const dimensionsUpdate = { y: 20 } state.dimensions = { ...state.dimensions, ...dimensionsUpdate, }
Direct assign
const state = { dimensions: { x: 10, y: 10 } } const dimensionsUpdate = { y: 20 } state.dimensions = { y: state.dimensions.y, ...dimensionsUpdate, }