JSFiddle - React, Tailwind, and code Playground

by jfriend00

HTML

<script src="http://files.the-friend-family.com/log.js"></script>
<table>
    <tbody>
        <tr><td>obj1</td><td>obj2</td><td>!obj1 == !obj2</td></tr>
        <tr><td>object</td><td>object</td><td id="id11"></td></tr>
        <tr><td>object</td><td>null</td><td id="id10"></td></tr>
        <tr><td>null</td><td>object</td><td id="id01"></td></tr>
        <tr><td>null</td><td>null</td><td id="id00"></td></tr>
    </tbody>
</table>

CSS

td {
    padding: 10px 25px;
}

JavaScript

var xobj1 = {};
var xobj2 = {};
var xnull = null;

var data = [
    [xobj1, xobj2, "id11"],
    [xobj1, xnull, "id10"],
    [xnull, xobj2, "id01"],
    [xnull, xnull, "id00"]
];
    
var item;
for (var i = 0; i < data.length; i++) {
    item = data[i];
    document.getElementById(item[2]).innerHTML = (!item[0] == !item[1]);
}