Run results for: Object Property x Local Variable Accessing

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3521.0 Safari/537.36

Browser: Chrome 70

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Object Property	24582.3 Ops/sec
Local Variable	24427.2 Ops/sec

Tests:

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