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How to count the unique characters in a string with JavaScript



119 views
asked May 3, 2022 by avibootz
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1 Answer

0 votes 
const str = 'javascript typescript node.js c++';

const count = new Set(str).size;

console.log(count); 
  
  
  
  
  
/*
run:
  
17
  
*/

 



answered May 3, 2022 by avibootz

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