javascript - Simple String and variable problem using jQuery -

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I am trying to add my string to this string: 

  var liPad = 20; $ (This). CSS ({'width': width, 'height': height, 'padding': "'0 pixel' + lipad + 'px'"});

To work this way: 

  $ (this) .css ({'width': width, 'height': height, Padding ':' 0 20px '});  
     
  
  
 
 "post-text" itemprop = "Text"> 
 This should work:  
  $ (this) .css ({'width': width, 'height': height, 'padding': '0' + Lipad + 'px'});

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