JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/ui-lightness/jquery-ui.css">
<span class="name_cat">It&#039;s a &quot;test&quot; </span> (5)

JavaScript

var span_name = $("span").html().replace(/"/g, "&quot;");

form = '<form action="/admin/controllers/edit_cat.php" method="post" >'+
                          
                            '<input type="text" name="name_cat" value="'+span_name+'" />'+
                            '<input type="submit" value="save" />'+
                            '</form>';

$(form).appendTo(document.body);