JSFiddle - React, Tailwind, and code Playground
by irinablue
JavaScript
const word = 'dind';
//console.log([...word.toLowerCase()].map(letter => (word.split(letter).length > 1) ? ')' : '(').join(''));
console.log(word.split('d').length, word.split('i').length, word.split('n').length);