Run results for: Object Property x Local Variable Accessing 1

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/134.0.6998.99 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 134

Operating system: iOS 18.3.2

Device Platform: Mobile

Date tested: one year ago

Local Variable

8.1M/s

Object Property

7.9M/s

View exact numbers

Test name	Executions per second
✓ Local Variable	8,103,684 Ops/sec
Object Property	7,882,790 Ops/sec

Tests:

Object Property
class Bar { constructor() { this.prop = { foo: function() { } } } test() { if(this.prop.foo) { this.prop.foo() } } } const b = new Bar() b.test()
Local Variable
class Bar { constructor() { this.prop = { foo: function() { } } } test() { const foo = this.prop.foo if(foo) { foo() } } } const b = new Bar() b.test()