Our self-paced course, for students in Türkiye.

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              function counter() {
              
            
          
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                let count = 0
              
            
          
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                return () => ++count
              
            
          
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              }
              
            
          
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              const next = counter()
              
            
          
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              console.log(next()) // 1
              
            
          
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              console.log(next()) // 2