javascript - How to toggle font awesome icon on click? -


I am using the Font Awesome 'Plus' icon on list items of expandable categories when they are in extended state I have a 'zero' symbol '

HTML 

    
  Jquery   
  $ ('# category-tab took one'). Click (function () {$ (this) .next ('ul') Slide Toggle ('500');});   
 Enter image details here   
 
 
 
 You can change the class of  i  element within the click code  
 < Code> & lt; I class = "fa-plus-circle" & gt; & Lt; / I & gt;   
 then  
  $ ('# category-tabs li a'). Click (function) ($ (this) .next ('ul'). Slide Toggle ('500'); $ (this) .Find ('I'). ToggleClass ('FA-Plus-Circle FA-Minus- Circle')});   
 Demo:

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