JSFiddle - React, Tailwind, and code Playground

by BramVanroy

HTML

<div class="tree">
    <ol>
        <li><a href="#">TOP</a>
            <ol>
                <li><a href="#">smain</a>

                    <ol>
                        <li><a href="#">SU</a>

                            <ol>
                                <li><a href="#">De</a>
                                </li>
                                <li><a href="#">helft</a>
                                </li>
                                <li><a href="#">PP</a>

                                    <ol>
                                        <li><a href="#">van</a>
                                        </li>
                                        <li><a href="#">NP</a>

                                            <ol>
                                                <li><a href="#">alle</a>
                                                </li>
                                                <li><a href="#">werklozen</a>
                                                </li>
                                            </ol>
                                    </ol>
                                    </li>
                            </ol>
                            </li>
                            <li><a href="#">zijn</a>
                            </li>
                            <li><a href="#">predicaat</a>

                                <ol>
                                    <li><a href="#">jonger</a>
                                    </li>
                                    <li><a href="#">comp</a>

                                        <ol>
                                            <li><a href="#">dan</a>
                                            </li>
                                            <li><a href="#">NP</a>

                                                <ol>
                                                    <li><a href="#">30</a>
                                                    </li>
                                  ...

CSS

*, *:before, *:after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
}
body {
    font-family: arial, verdana, tahoma;
}
.tree:after {
    content:"";
    display: table;
    clear: both;
}
.tree ol {
    padding-top: 12px;
    position: relative;
}
.tree li {
    float: left;
    text-align: center;
    list-style-type: none;
    position: relative;
    padding: 12px 6px 0 6px;
}
/*We will use ::before and ::after to draw the connectors*/
 .tree li::before, .tree li::after {
    content:'';
    position: absolute;
    top: 0;
    right: 50%;
    border-top: 1px solid #ccc;
    width: 50%;
    height: 12px;
}
.tree li::after {
    right: auto;
    left: 50%;
    border-left: 1px solid #ccc;
}
/*We need to remove left-right connectors from elements without 
any siblings*/
 .tree li:only-child::after, .tree li:only-child::before {
    display: none;
}
/*Remove space from the top of single children*/
 .tree li:only-child {
    padding-top: 0;
}
/*Remove left connector from first child and 
right connector from last child*/
 .tree li:first-child::before, .tree li:last-child::after {
    border: 0 none;
}
/*Adding back the vertical connector to the last nodes*/
 .tree li:last-child::before {
    border-right: 1px solid #ccc;
}
/*Time to add downward connectors from parents*/
 .tree ol ol::before {
    content:'';
    position: absolute;
    top: 0;
    left: 50%;
    border-left: 1px solid #ccc;
    width: 0;
    height: 12px;
}
.tree li a {
    border: 1px solid #ccc;
    padding: 6px 12px;
    text-decoration: none;
    color: #666;
    font-size: 11px;
    display: inline-block;
}
/*Time for some hover effects*/

/*We will apply the hover effect the the lineage of the element also*/
 .tree li a:hover, .tree li a:hover+ol li a {
    background: #c8e4f8;
    border-color:#94a0b4;
}
/*Connector styles on hover*/
 .tree li a:hover+ol li::after, .tree li a:hover+ol li::before, .tree li a:hover+ol::before, .tree li a:hover+ol...

JavaScript

var xml = $("#xml-input").html(),
    xmlParsed = $.parseXML(xml),
    xmlObject = $(xmlParsed);


$(".tree").empty();
xmlObject.replace("node","li").appendTo(".tree");