JSFiddle - React, Tailwind, and code Playground

HTML

<p id="result">
</p>

JavaScript

window.a = window.a || {
    b: {},
    c: {},
    d: {
        e: {}
    },
    f: {},
    g: {},
    h: {
        k: [],
        l: [],
        j: ['{"1": 2,"3": "4" }']
    }
};

document.getElementById("result").innerHTML = a.h.j;