$ (...). editableselecect nie jest funkcją
<head>
<!--Include jQuery + you libraries...-->
<script src="https://rawgit.com/indrimuska/jquery-editable-select/master/dist/jquery-editable-select.min.js"></script>
<link href="https://rawgit.com/indrimuska/jquery-editable-select/master/dist/jquery-editable-select.min.css" rel="stylesheet" />
</head>
Monalisa Silva