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  1. var input = readline();
  2.  
  3. const doubleEveryLetter = string=> string.split('').map(l => l+l).join()
  4.  
  5. input.split(' ').map(doubleEveryLetter).join(' ')
Success #stdin #stdout 0.03s 18464KB
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hi
fdfd
stdout
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Standard output is empty
https://ideone.com/eilZSp
language:
JavaScript (SMonkey 60.2.3)
created:
4 years ago
visibility:
public

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