You can change the entire look and feel, can able to add button / event / can do anything with it. Read documentation here or more example here
HTML:
<div id="editor" placeholder="Type here ... "></div>
CSS:
<link rel="stylesheet" href="path_to/easyeditor.css">
JS:
<script src="path_to/jquery.min.js"></script> <script src="path_to/jquery.easyeditor.js"></script> <script> EasyEditor.prototype.spanWithAttribute = function(){ var _this = this; var settings = { buttonIdentifier: 'span-with-attribute', buttonHtml: 'Wrap selected text with span tag with data-value="Awesome"', clickHandler: function(){ _this.wrapSelectionWithNodeName({ nodeName: 'span', attribute: ['data-value', prompt('Enter your custom value e.g Awesome', 'Awesome')] }); // or you can add multiple attribute by attribute: { 'data-value': 1, 'data-item': 'item-value' } } }; _this.injectButton(settings); }; jQuery(document).ready(function($) { new EasyEditor('#editor', { buttons: ['bold', 'italic', 'link', 'spanWithAttribute'] }); }); </script>