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>
var easyEditor = new EasyEditor('#editor', {
buttons: ['bold', 'italic', 'link', 'h2', 'h3', 'h4', 'alignleft', 'aligncenter', 'alignright'],
overwriteButtonSettings: {
'bold' : {
buttonIdentifier: 'overwritten-bold',
buttonHtml: 'Overwritten Bold',
buttonTitle: 'Make text bold',
clickHandler: function(){
easyEditor.wrapSelectionWithNodeName({ nodeName: 'b', keepHtml: true });
}
},
'italic': {
buttonHtml: 'Overwritten Italic',
buttonTitle: 'Make text italic',
}
}
});
</script>