JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.3.3/underscore-min.js"></script>

JavaScript

var data = [
    { path: '/a', order: 0 },
    { path: '/b', order: 1 },
    { path: '/a/d', order: 1 },
    { path: '/a/c', order: 0 }
];


var result = data.sort(function (a, b) {
  //sort
});


var expected = [
    { path: '/a', order: 0 },
    { path: '/a/c', order: 0 },
    { path: '/a/d', order: 1 },
    { path: '/b', order: 1 }
];


if (_.isEqual(result, expected)) {
    alert('Success');       
} else {
    alert('Failed');  
};