JSFiddle - React, Tailwind, and code Playground

HTML

<div class="tracked_tags">
                                <div class="popover_menu_item tracked_tag ">
                <a href="/tagged/human+target" id="tag_751429">
                    <div class="hide_overflow no_count">human target</div>
                                            <div class="thumb" style="background-image:url(http://imagescale.tumblr.com/image/36/mavnjqo3WZ1rq2neso1.jpg)"></div>
                                                        </a>
            </div>
 
                                <div class="popover_menu_item tracked_tag ">
                <a href="/tagged/illustration" id="tag_2551">
                    <div class="hide_overflow no_count">illustration</div>
                                            <div class="thumb" style="background-image:url(http://25.media.tumblr.com/tumblr_mbbobvWEL51r0dxiho1_75sq.jpg)"></div>
                                                        </a>
            </div>
 
                                <div class="popover_menu_item tracked_tag ">
                <a href="/tagged/rumbelle" id="tag_296627473">
                    <div class="hide_overflow no_count">rumbelle</div>
                                            <div class="thumb" style="background-image:url(http://24.media.tumblr.com/tumblr_mbbth7Mf021rzzufqo1_75sq.gif)"></div>
                                                        </a>
            </div>
 
                                <div class="popover_menu_item tracked_tag ">
                <a href="/tagged/watchmen" id="tag_16816">
                    <div class="hide_overflow no_count">watchmen</div>
                                            <div class="thumb" style="background-image:url(http://25.media.tumblr.com/tumblr_mbao9eEQ5p1r8przso1_75sq.jpg)"></div>
                                                        </a>
            </div>
 
</div>

<div id="right_column"><ul id="dashboard_controls_open_blog">I'm what the new element should be inserted after.</ul></div>

JavaScript

var jQuery, $ = null;

function addJQuery(callback) {
    var p = null;
    
    if(window.opera || window.navigator.vendor.match(/Google/)) {
        var div = document.createElement("div");
        div.setAttribute("onclick", "return window;");
        p = div.onclick();
    }
    else {
        p = unsafeWindow;
    }

    jQuery = $ = p.jQuery.noConflict();
    callback();
}

var myFunction = function() {
    jQuery('div#right_column ul#dashboard_controls_open_blog').after('<ul class="controls_section" id="tracked_tags"></ul>')
    jQuery('div.tracked_tags a').each(function (i) {
        var tagID = jQuery(this).attr("id");
        var tagIDNumber = tagID.replace('tag_','');
        var tagName = jQuery(this).attr("href");
        var tagNameClean = tagName.replace('/tagged/','');
        var tagContent ='';
        tagContent += '<li><a href="'+tagName+'" id="'+tagID+'" class="tag">';
        tagContent += '<div class="hide_overflow">'+tagNameClean+'</div>';
        tagContent += '<span id="tag_unread_'+tagIDNumber+'" class="count" style=""></span></a>';
        tagContent += '<a class="sub_control" id="track_'+tagIDNumber+'" style="display:none;" onclick=\'track_tag('+tagIDNumber+', "n4av5kz9baBCv1PRCPUlT8X5K8", false);return false;\'>track</a>';
        tagContent += '<div class="remove_tag" id="untrack_'+tagIDNumber+'" onclick=\'if (confirm("Stop tracking this tag?")) {track_tag('+tagIDNumber+', "n4av5kz9baBCv1PRCPUlT8X5K8", true);} return false;\'>*</div>';
        tagContent += '<div id="tag_loader_'+tagIDNumber+'" class="tracked_tag_loader" style="display:none;"></div></li>';

                                                    
        jQuery(tagContent).appendTo('div#right_column ul#dashboard_controls_open_blog');
              
                                                                       
    });

};

addJQuery(myFunction);