Answers for "A-Bb-Ccc-Dddd"

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A-Bb-Ccc-Dddd

function accum(string) {
  return string.split('') 
               .map((el, index) => el.toUpperCase() + el.toLowerCase().repeat(index))
}
 
console.log(accum('abcd'))
console.log(accum('RqaEzty'))
Posted by: Guest on April-09-2022

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