JSFiddle - React, Tailwind, and code Playground

by embertelen

JavaScript

const valami = {};
const test = (valamibelul) => {
    setTimeout(function(){valamibelul[10] = 'adadasda'}, 1000)
}
test({...valami})
console.log({1: valami});
setTimeout(function(){
   console.log({2: valami});
}, 1500)