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  -  ## Attribute, class, and style bindings
  +  ## Attribute, Class, and Style Bindings
     The template syntax provides specialized one-way bindings for scenarios less well suited to property binding.
   
  -  ### Attribute binding
  +  ### Attribute Binding
     We can set the value of an attribute directly with an **attribute binding**.
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positive.code:     we generally prefer the [NgClass directive](#ngClass) for managing multiple class names at the same time.
  
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    ### Style binding
  
    We can set inline styles with a **style binding**.
  
  
negative.code: 
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    ## Event Binding
    The bindings we’ve met so far flow data in one direction: *from the component to an element*.
  
    Users don’t just stare at the screen. They enter text into input boxes. They pick items from lists.
  