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[scriptable, uuid(f0aef489-18c5-4de6-99d5-58b3758b098c)]

  
interface nsIDOMNSElement : nsISupports







  
    
Attributes

    

  
      

        
 Returns the number of child nodes that are nsIDOMElements.

 Defined by the ElementTraversal spec.


        


  
  readonly attribute
  unsigned long
  childElementCount


      

  

  
      

        
 Returns a live nsIDOMNodeList of the current child elements.


        


  
  readonly attribute
  nsIDOMNodeList
  children


      

  

  
      

        
 The width in CSS pixels of the element's padding box. If the element is
 scrollable, the scroll bars are included inside this height.


        


  
  readonly attribute
  long
  clientHeight


      

  

  
      

        
 The width in CSS pixels of the element's left border and scrollbar
 if it is present on the left side.


        


  
  readonly attribute
  long
  clientLeft


      

  

  
      

        
 The height in CSS pixels of the element's top border.


        


  
  readonly attribute
  long
  clientTop


      

  

  
      

        
 The height in CSS pixels of the element's padding box. If the element is
 scrollable, the scroll bars are included inside this width.


        


  
  readonly attribute
  long
  clientWidth


      

  

  
      

        
 Similar as the attributes on nsIDOMNode, but navigates just elements
 rather than all nodes.

 Defined by the ElementTraversal spec.


        


  
  readonly attribute
  nsIDOMElement
  firstElementChild


      

  

  
      

        

        


  
  readonly attribute
  nsIDOMElement
  lastElementChild


      

  

  
      

        

        


  
  readonly attribute
  nsIDOMElement
  nextElementSibling


      

  

  
      

        

        


  
  readonly attribute
  nsIDOMElement
  previousElementSibling


      

  

  
      

        
 The height of the scrollable area of the element. If the element is not
 scrollable, scrollHeight is equivalent to the offsetHeight.


        


  
  readonly attribute
  long
  scrollHeight


      

  

  
      

        
 The horizontal scroll position of the element, or 0 if the element is not
 scrollable. This property may be assigned a value to change the
 horizontal scroll position.


        


  
  attribute
  long
  scrollLeft


      

  

  
      

        
 The vertical scroll position of the element, or 0 if the element is not
 scrollable. This property may be assigned a value to change the
 vertical scroll position.


        


  
  attribute
  long
  scrollTop


      

  

  
      

        
 The width of the scrollable area of the element. If the element is not
 scrollable, scrollWidth is equivalent to the offsetWidth.


        


  
  readonly attribute
  long
  scrollWidth


      

  
    

  


  
    
Methods

    

  
      

        
 Returns the union of all rectangles in the getClientRects() list. Empty
 rectangles are ignored, except that if all rectangles are empty,
 we return an empty rectangle positioned at the top-left of the first
 rectangle in getClientRects().


        


  
  nsIDOMClientRect
  getBoundingClientRect()


      

  

  
      

        

        


  
  nsIDOMClientRectList
  getClientRects()


      

  

  
      

        

        


  
  nsIDOMNodeList
  getElementsByClassName(in DOMString classes)