JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html public "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">

<html>

<head>
    <link rel="stylesheet" href="jConstruct/jConstruct.css" type="text/css" /> 
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script>
    <script type="text/javascript" src="jConstruct/jConstruct.js?q=4"></script>
</head>

<body>

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s.<br /><br />

<construct>
    System:Every tick:Set width to Y-100:#A comment:Set angle to Atan(Self.X-Mouse.X):Finish it
    #This is a comment
    Sprite:On event:Do this:Do that:Do something else
    Clock:Ticks and chimes:Do something:Do it again!:Add one
</construct>

<br /><br />When an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.

</body>

</html>

CSS

.jC2_Outer{
    width:660px;
    font-family: Arial, verdana;
    font-size:10px;
}
.jC2_Container{
    font-size:12px;
    overflow-y:scroll;
    overflow-x:none;
    height:200px;
    width:660px;
    border-top:1px solid #efefef;
    border-left:1px solid #efefef;
    border-right:1px solid #efefef;
    padding:5px;
}
.jC2_EventWrapper
{
    border:1px solid #CDC3FF;
    border-left:5px solid #CDC3FF;
    height:20px;
    width:250px;
    float:left;
    line-height:22px;
}
.jC2_EventNum
{
    float:left;   
    text-align:center;    
    background-color: #ffffff;
    color:#c0c0c0;
    width:20px;
    height:22px;
    line-height:22px;
}
.jC2_EventObject{
    float:left;
    font-weight:bold;
    background-color:#F3F1FF;
    height:20px;
    line-height:22px;
    padding-right:20px;
    padding-left:20px;
}
.jC2_EventObject:hover{
    background-color:#FFFF92;
}
.jC2_EventBreak{
    float:left;
    width:1px;
    height:16px;
    position:relative;
    top:2px;
    margin-right:20px;
    background-color: #CDC3FF;
}
.jC2_EventDesc{
    float:left;
    height:20px;
}
.jC2_Clear{
    clear:both;
}
.jC2_ActionWrapper{
    float:left;
}
.jC2_ActionLeft
{
    float:left;
}
.jC2_ActionDesc{
    float:left;
    padding-left:10px;
    line-height:18px;
    width:350px;
    padding-top:3px;
    padding-bottom:2px;
}
a.jC2_A{
    color: #6240FF;
}
.jC2_Odd{
    background-color: #F3F1FF;
}
jC2_Even{

}
.jC2_EventComment{
    background-color:#ffeeaa;
    margin-left:20px;
    margin-right:7px;
    padding:5px;
    color:#444;
    padding-left:10px;
    font-style: italic;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
.jC2_ActionComment{
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background-color:#ffeeaa;
    padding:5px;
    padding-left:10px;
    font-style: italic;
    color:#444;
}
.jC2_FooterInfo{
    text-align:right;
    color:#c0c0c0;
    font-size:10px;
    position:relative;
    left:12px;
}
a.jC2_AF{
  ...

JavaScript

$(document).ready(function(){
    // Loop each construct tag
    $('construct').each(
        function ()
        {
            // Grab data
            var jC2_events = $(this).html().split('\n');
            $(this).html('');

            // Data
            var jC2_html = '';

            // Add wrapper tags
            jC2_html += '<div class="jC2_Outer">';
            jC2_html += '<div class="jC2_Toolbar">';
            jC2_html += '<div class="jC2_HelpBox"><a href="#">Txt</a></div>';
            jC2_html += '<div class="jC2_HelpBox"><a href="#">?</a></div>';
            jC2_html += '</div>';
            jC2_html += '<div class="jC2_Container">';

            var jC2_EventNum = 1;
            
            // Loop each event
            for(var jC2_looper = 0; jC2_looper < jC2_events.length; jC2_looper++)
            {           
                // Check for blank lines (first condition in if is IE fix)
                if(jC2_events[jC2_looper] && jC2_events[jC2_looper].trim().length > 0)
                {            
                    var jC2_eventData = jC2_events[jC2_looper].trim();
                
                    // Check for comment
                    if(jC2_eventData.substring(0,1) == '#'){
                        jC2_html += '<div class="jC2_EventComment">' + jC2_eventData.substring(1,jC2_eventData.length) + '</div>';
                    }else{                        
                        // Split event into components
                        var jC2_components = jC2_events[jC2_looper].split(':');

                        // Event wrapper
                        jC2_html += '<div class="jC2_EventNum">' + jC2_EventNum + '</div>'
                        jC2_html += '<div class="jC2_EventWrapper">';
                            jC2_html += '<div class="jC2_EventObject">' + jC2_components[0].trim() + '</div>';
                            jC2_html += '<div class="jC2_EventBreak"></div>';
                            jC2_html += '<div...