scarletquasar

var db = {};

//Create
db["queijo"] = "batata";

//Read
console.log(db.queijo);

//Update
db["queijo"] = "batata_1";

scarletquasar

function shift(value) {
    const internal = {
        option: (target, callback) => {
            switch(typeof target) {
                case "object":
                    target.includes(value) && callback(target[target.indexOf(value)])
                    break;
    
                default:
                    value === target && callback(target)

scarletquasar

<style>
    @import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@700&display=swap');

    body {
        background: #110021;
    }
    
    .container {
        display: flex;
        align-items: center;

scarletquasar

let res = [];
let base = [1, 2, 3, 4];
let groupQuantity = 2;
for(let i = 0; i < base.length; i += groupQuantity) {
    let even = [];
    
    for(let gq = 0; gq < groupQuantity; gq++) {
        base[i + gq] ? even.push(base[i + gq]) : {};
    }
    res.push(even);