fearNotLetter

find missing letter

by trentHarlem

CSS

body {
  background-color: dodgerblue;
}

JavaScript

function fearNotLetter(str) {
   const letters = 'abcdefghijklmnopqrstuvwxyz'
   for (let i = letters.indexOf(str[0]); i < letters.length; i++) {
     //console.log(letters.indexOf(str[0]))
     const compStr = letters.slice(0, letters.indexOf(str[0])).concat(str)
     //console.log(compStr)
     //console.log(letters)
     //console.log('compStr[i]', compStr[i], 'letters[i]', letters[i])
     if (letters[i] !== compStr[i]) {
       return letters.charAt(i)
     }
   }
 }

 //console.log(fearNotLetter("abcef")) // e
 console.log(fearNotLetter('stvwx')) //  u
 //console.log(fearNotLetter('abcdefghijklmnopqrstuvwxyz'))
 //console.log(fearNotLetter('stv'))
 //console.log(fearNotLetter())
 //console.log(fearNotLetter('abcdefghijklmnopqrstuvwxyz'))
 //console.log(fearNotLetter(' '))
 //console.log(fearNotLetter("abcef"))
 //console.log(fearNotLetter("abde"))