jquery - Unable to remove the class for the previous selected Item in Menu Bar -

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When an item is selected under the menu bar, I am adding a class that activates the item.

It's working fine for the first time.

If we select a different element under the menu, how to remove the class first for the selected item?

This is my JSFilled

I tried to solve it 

  $ (document)) .on (" Click "," # swiper-wrapper li ", function () {var previousselected = ''; if (Previously selected! = '') {$ ('#selected'). RemoveClass (active);} var Selectedleemnt = $ (This) .text (); $ (this) .addClass ("active"); previously selected) = selectedleemnt;});   
 But I have not been able to remove the class for people with the prey.  
 Can someone help me?   
 
 
 What is #prevoiusselected? I've updated your: 
  
  $ (document) .on ("click", "# swiper-wrapper li", function () {$ (". Active"). RemoveClass ("active"); $ (this) .addClass ("active");});

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