export function mostUsedChar(text) { // implementar logica aqui let arr = [] for (let i = 0; i < text.length; i++) { arr.push(text[i]) } let counts = {} arr.forEach(count => { counts[count] = (counts[count] || 0) + 1 }) const maxValue = Math.max(...Object.values(counts)) const mostUsed = Object.keys(counts).find((key) => { return counts[key] === maxValue }) return mostUsed } mostUsedChar('banana')