receiver element

The Chain of Responsibility design pattern is intended to decouple the sender ( the DOM element) of an event from the receiver ( your code) so that more than one object has a chance to claim responsibility for handling the event ( your views and models).

责任链设计模式旨在将事件的发送者（DOM元素）与接受者分离开来，以便更多的对象有机会处理事件（视图和模型）。

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The symbolization of technical knowledge diffusion is affected by both inside element and outside environment. The inside element is the leading role, which includes technical knowledge, transmitter and receiver.

技术知识传播符号化要受到来自传播内部要素和外部环境的影响，其中内部中分别涉及到技术知识、传者、受者三个方面，这也是在影响要素中起主要作用的部分。

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