Run results for: inheritance new vs Object.create

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
new operator	826351.2 Ops/sec
Object.create method	626736.0 Ops/sec

Tests:

new operator
function foo(){} foo.prototype = { foo_prop: "foo val" }; function bar(){} var proto = new foo; proto.bar_prop = "bar val"; bar.prototype = proto; var inst = new bar; console.log(inst.foo_prop); console.log(inst.bar_prop);
Object.create method
function foo(){} foo.prototype = { foo_prop: "foo val" }; function bar(){} var proto = Object.create( foo.prototype ); proto.bar_prop = "bar val"; bar.prototype = proto; var inst = new bar; console.log(inst.foo_prop); console.log(inst.bar_prop);