JSFiddle - React, Tailwind, and code Playground

HTML

<button>For Pri</button>
<div></div>

CSS

.EditComment {
display: block; /*For starting from new line in this example*/
width: 890px;
height: 80px;
font-size: 12px;
background: url(../images/best_answer_a.png) repeat-x;
    margin-bottom:15px;
}

JavaScript

$(document).ready(function(){
    $('button').click(function(){
        $('div').append('<textarea class="EditComment">Pri</textarea>');
    });
});