sorting and eliminating duplicates

PHOTO EMBED

Tue Feb 28 2023 12:42:14 GMT+0000 (Coordinated Universal Time)

Saved by @AlanaBF #javascript

function longest(s1, s2) {
  const totalString = (s1+s2).split('').sort()
  for (let i=0; i < totalString.length; i++) {
    while(totalString[i] === totalString[i+1]) totalString.splice(i+1, 1)
  }
    return totalString.join('')
}
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