JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>

JavaScript

var obj = {"cool":"Mustang","family":"Station Wagon","small":{0:"small car 1",1:"small car 2"}}

var arr = Object.entries(obj);

console.log(arr);