how to use plugin in cordova/ionic framework

i wanna to import a sample plugin to test in cordova/ionic,i try this

$ cordova plugin add org.apache.cordova.device

now in my index.html i use this codes

var model = device.model;
document.write(device.model);

then

cd myionicApp
cordova emulate

but it doesn't work,can anyone help me? also installed cordova CLI and Cordova Plugman and Ionic Framework

Please refer this:

<html>
  <head>
    <title>Device Properties Example</title>

    <script type="text/javascript" charset="utf-8" src="cordova.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Wait for device API libraries to load
    //
    document.addEventListener("deviceready", onDeviceReady, false);

    // device APIs are available
    //
    function onDeviceReady() {
        var element = document.getElementById('deviceProperties');
        element.innerHTML = 'Device Model: '    + device.model    + '<br />' +
                            'Device Cordova: '  + device.cordova  + '<br />' +
                            'Device Platform: ' + device.platform + '<br />' +
                            'Device UUID: '     + device.uuid     + '<br />' +
                            'Device Version: '  + device.version  + '<br />';
    }

    </script>
   </head>
   <body>
     <p id="deviceProperties">Loading device properties...</p>
   </body>
   </html>