We can and this is where prototype objects come into picture.

我们可以做这张图片中得知prototype对象源来。(译注：图？)

youdao

Class management: Prototype includes easier creation and extension of classes and objects.

类管理：Prototype支持更轻松地创建和扩展类和对象。

youdao

The prototype for all RequiredValidator objects is a Validator instance, which has no properties because no parameters are passed to the Validator constructor.

所有RequiredValidator对象的原型都是一个Validator实例，该实例没有任何属性，因为没有参数传递给Validator构造函数。

youdao

The team used a prototype to demonstrate the idea, hiding centimetre-scale objects illuminated with polarised green or red laser light.

BBC: Invisibility cloaking benefits from crystal-clear idea