JSFiddle - React, Tailwind, and code Playground

HTML

ProtypeJS example<hr />
<div id="out"></div>

JavaScript

var foo = { "totA": -1, "totB": -1, "totC": "13,052.00", "totHours": 154, "groups": [{"id": 1, "name": "Name A", "billingCodes": [{"bc": "25", "type": "hours", "hours": "5", "amount": "$25.00"}]}] };

console.log(JSON.stringify(foo));
document.getElementById('out').innerHTML = JSON.stringify(foo);

delete Array.prototype.toJSON
document.getElementById('out').innerHTML += JSON.stringify(foo);