JSFiddle - React, Tailwind, and code Playground

HTML

<textarea rows='1' style='line-height:14px; font-size: 14px; width: 400px;'></textarea>

JavaScript

/* 
 * Auto Expanding Text Area (1.2.2)
 * by Chrys Bader (www.chrysbader.com)
 * [email protected]
 *
 * Version 1.2.3 update
 * by Richard Vallee
 * [email protected]
 *
 * Special thanks to:
 * Jake Chapa - [email protected]
 * John Resig - [email protected]
 *
 * Copyright (c) 2008 Chrys Bader (www.chrysbader.com)
 * Licensed under the GPL (GPL-LICENSE.txt) license. 
 *
 *
 * NOTE: This script requires jQuery to work.  Download jQuery at www.jquery.com
 *
 */
 
(function(jQuery) {
          
    var self = null;
 
    jQuery.fn.autogrow = function(o)
    {    
        return this.each(function() {
            new jQuery.autogrow(this, o);
        });
    };
    

    /**
     * The autogrow object.
     *
     * @constructor
     * @name jQuery.autogrow
     * @param Object e The textarea to create the autogrow for.
     * @param Hash o A set of key/value pairs to set as configuration properties.
     * @cat Plugins/autogrow
     */
    
    jQuery.autogrow = function (e, o)
    {
        this.options              = o || {};
        this.dummy                  = null;
        this.interval               = null;
        this.line_height          = this.options.lineHeight || parseInt(jQuery(e).css('line-height'));
        this.min_height              = this.options.minHeight || parseInt(jQuery(e).css('min-height'));
        this.max_height              = this.options.maxHeight || parseInt(jQuery(e).css('max-height'));;
        this.textarea              = jQuery(e);
        this.expand_tolerance    = (!isNaN(this.options.expandTolerance) && this.options.expandTolerance > 0) ? this.options.expandTolerance : 0;
        
        if(isNaN(this.line_height))
          this.line_height = 0;
        
        // Only one textarea activated at a time, the one being used
        this.init();
    };
    
    jQuery.autogrow.fn = jQuery.autogrow.prototype = {
        autogrow: '1.2.3'
      };
    
     jQuery.autogrow.fn.extend = jQuery.autogrow.extend =...