cbr/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>chess</title>
    <link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
    <script src="//code.jquery.com/jquery-1.10.2.js"></script>
    <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
    <script type="text/javascript" src="https://onlyoffice.github.io/sdkjs-plugins/v1/plugins.js"></script>
    <script type="text/javascript" src="https://onlyoffice.github.io/sdkjs-plugins/v1/plugins-ui.js"></script>
    <link rel="stylesheet" href="https://onlyoffice.github.io/sdkjs-plugins/v1/plugins.css">
    <script type="text/javascript" src="cbr.js"></script>
    <script>
        $(function () {
            $("#DP").datepicker();
        });
    </script>
</head>
<body style="width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden;">
<p>Select date: <input type="text" id="DP"></p>
</body>
</html>