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alphabetPosition
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| function alphabetPosition(text) { | |
| const arrayOfLetters = text.toLowerCase().split('') | |
| return arrayOfLetters.map(letter => { | |
| const code = letter.charCodeAt() | |
| if(code < 97 || code > 122) return null | |
| return code - 96 | |
| }).filter(num => num !== null).join(' ') | |
| } |
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