JSFiddle - React, Tailwind, and code Playground

JavaScript

var fruit = { 'apples':14, 'oranges':1, 'grapefruit':70, 'bananas':4 }

var orderedByDescendingQuantities = Object.keys(fruit).sort(function (x, y) {
    return fruit[y] - fruit[x];
});
                            
alert(orderedByDescendingQuantities);