JSFiddle - React, Tailwind, and code Playground

HTML

<div id="1"/>

JavaScript

var _parent = {name:"parent"};
var _child = {name:"child", parent:_parent};
_parent["child"] = _child;

$("#1").append("<div>working</div>");

try {
$.ajax("/someUrl", {
    type: "POST",
    context: _parent});
}
    catch (e) {
        $("#1").append("<div>" + e.message+ "</div>");
}