## Component > "A component in the Unified Modeling Language represents a modular part of a system, that encapsulates its content and whose manifestation is replaceable within its environment. A component defines its behavior in terms of provided and required interfaces"

Tab

Tab页内容...blablabla 



  
  
 tab1 content 

  
 tab2 content 

  
 tab3 content

Shadow Dom

stories
stories[1]
stories[1].vote
stories[1].comments.length
## MDV technology to rescue ##### [Model Driven View]()