‫Reflection در ES6

Reflect.get(target, name, [receiver])

Reflect.set(target, name, value, [receiver])

Reflect.has(target, name)

Reflect.apply(target, receiver, args)

Reflect.construct(target, args)

Reflect.getOwnPropertyDescriptor(target, name)

Reflect.defineProperty(target, name, desc)

Reflect.getPrototypeOf(target)

Reflect.setPrototypeOf(target, newProto)

Reflect.deleteProperty(target, name)

Reflect.enumerate(target)

Reflect.preventExtensions(target)

Reflect.isExtensible(target)

Reflect.ownKeys(target)

var yay = Reflect.defineProperty(target, 'foo', { value: 'bar' })
if (yay) {
  // yay!
} else {
  // oops.
}

try {
  Object.defineProperty(target, 'foo', { value: 'bar' })
  // yay!
} catch (e) {
  // oops.
}

var target = { foo: 'bar', baz: 'wat' }
delete target.foo
console.log(target)
// <- { baz: 'wat' }

var target = { foo: 'bar', baz: 'wat' }
let isDeleted = Reflect.deleteProperty(target, 'foo')
console.log(isDeleted );
// true