Mango grupal de cuerdas por primera letra
const groupIt = (array) => {
let resultObj = {};
for (let i =0; i < array.length; i++) {
let currentWord = array[i];
let firstChar = currentWord[0].toLowerCase();
let innerArr = [];
if (resultObj[firstChar] === undefined) {
innerArr.push(currentWord);
resultObj[firstChar] = innerArr
}else {
resultObj[firstChar].push(currentWord)
}
}
return resultObj
}
console.log(groupIt(['hola', 'adios', 'chao', 'hemos', 'accion']))
console.log(groupIt(['Alf', 'Alice', 'Ben'])) // { a: ['Alf', 'Alice'], b: ['Ben']}
console.log(groupIt(['Ant', 'Bear', 'Bird'])) // { a: ['Ant'], b: ['Bear', 'Bird']}
console.log(groupIt(['Berlin', 'Paris', 'Prague'])) // { b: ['Berlin'], p: ['Paris', 'Prague']}
Run code snippet
Shibu Sarkar