This project is to create an array which its changes can be listened such changes as `push`, `pop`, `a[0] = null`, etc.
npm install rxjs-arrayThis package allows you to create an array where you can detect changes that occure on it.
npm i rxjs-array
// import from node_modules
import {ObservableArray} from 'rxjs-array';
// define just like 'new Array()'
const array = new ObservableArray();
// Outputs changes of the array
array.changes.subscribe(x => console.log(x));
// Use the array normally
array[0] = Math.random();
array.push(Math.random(), Math.random(), Math.random());
array.splice(2,1);