JSFiddle - React, Tailwind, and code Playground

JavaScript

var str = '{"_id"  : ObjectId("52eaad4839b60812fca4bf28"),"Name": "Joe Blow","DateAdded" : ISODate("2014-01-30T19:51:35.977Z")}';

function ObjectId(id) { return id;}
function ISODate(d) {return d;}

var obj = eval('(' + str + ')');
console.log(obj);