Run results for: Spread Operator VS Direct assign

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Spread Operator	34255912.0 Ops/sec
Direct assign	43835200.0 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, }