JSFiddle - React, Tailwind, and code Playground

HTML

<div id="selectList">
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
    <img src="http://tinyurl.com/26asnv7" />
</div>
<div id="output">

</div>

CSS

#output, #selectList { width: 202px; border: 1px solid #000; margin: 2px; height: 400px; float: left }

#selectList img.clicked { border: 1px solid Blue }

JavaScript

$(function(){
    var output = $('#output');
    $('#selectList img')
        .each(function(i, el){
            $(this).addClass('img' + i); // identtify imgs by index (class="imgN")
        })
        .click(function(){
            var $img = $(this).toggleClass('clicked');
            if($img.hasClass('clicked'))
                output.append($img.clone().removeClass('clicked'));
            else
                output.find('.' + $img[0].className).remove();
        });

});