Run results for: Closure plus class check versus function apply

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Browser: Chrome 56

Operating system: Mac OS X 10.12.3

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
Closure plus class check	82957.2 Ops/sec
Function apply	87814.1 Ops/sec

Tests:

Closure plus class check
class Foo {} class Bar extends Foo { add(a, b) { return a + b; } } function apply(ctor, impl, op) { if (impl instanceof ctor) { return op(impl); } } const bar = new Bar(); apply(Bar, bar, impl => impl.add(3, 5));
Function apply
class Foo {} class Bar extends Foo { add(a, b) { return a + b; } } const bar = new Bar(); const fn = bar['add']; if (fn) { return fn.apply(bar, [3, 5]); }