JSFiddle - React, Tailwind, and code Playground

HTML

<div class="code-example">
  <div class="num-line">
    6<br>7<br>8<br>9<br>10<br>12<br>13<br>14<br>15
  </div>
  <div class="code-block">
     <span class="static-code">&lt;body&gt;<br></span>
     <span class="static-code" style="white-space:pre">&nbsp;&nbsp;&nbsp;&nbsp;&lt;h1&gt;My First Website&lt;/h1&gt;<br></span>
      <span class="code-animate bold" style="white-space:pre"></span>
      <span class="static-code">&lt;/body&gt;<br>&lt;/html&gt;</span>
    </div>
    <div class="clearfix"></div>
</div>
<script>
    $(function(){
        $(".code-animate").typed({
            strings: ["    <p>Lorem ipsum dolor sit amet, ei sit atomorum forensibus, pro ad denique vituperata. His ni.</p>"],
            typeSpeed: 1,
            backSpeed: 50,
            contentType: 'text',
            loop: false
        });
    });
</script>

CSS

.code-example {
    font-size: 12px;
    width: 400px;
    border: 1px solid black;
}

.num-line {
    float: left;
    background-color: #e6e6e6;
    padding: 3px 5px;
    margin-right: 5px;
    text-align: right;
    display: inline-block;
}

.code-block {
    display: inline-block;
    padding-top: 3px;
    width: 30em;
}
.code-animate: {
  display: inline;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-all;
}

.static-code {
    display: block;
}

.clearfix {
  clear: both;
}

JavaScript

// The MIT License (MIT)

// Typed.js | Copyright (c) 2014 Matt Boldt | www.mattboldt.com

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.




! function($) {

    "use strict";

    var Typed = function(el, options) {

        // chosen element to manipulate text
        this.el = $(el);

        // options
        this.options = $.extend({}, $.fn.typed.defaults, options);

        // attribute to type into
        this.isInput = this.el.is('input');
        this.attr = this.options.attr;

        // show cursor
        this.showCursor = this.isInput ? false : this.options.showCursor;

        // text content of element
        this.elContent = this.attr ? this.el.attr(this.attr) : this.el.text()

        // html or plain text
        this.contentType = this.options.contentType;

        // typing speed
        this.typeSpeed = this.options.typeSpeed;

        // add a delay before typing starts
        this.startDelay = this.options.startDelay;

        //...