javascript - "device.uuid" cordova not working -


added cordova device plugin using command,

cordova plugin add cordova-plugin-device

but still "device.uuid" not working.

please refer code below.

<script type="text/javascript" charset="utf-8" src="../cordova-7.0.1.js"></script>     <script type="text/javascript" charset="utf-8">      // wait cordova load     //     document.addeventlistener("deviceready", ondeviceready, false);      // cordova ready     //     function ondeviceready() {         document.getelementbyid('deviceproperties').value = device.uuid ;     }      </script> <body class="screen_background"> <div class="scrollable screen_background">   <div class="scrollable-content">               <div class="col-lg-12 col-sm-12 event_form_div">             <div class="col-lg-12 col-sm-12 left_right event_form">artchitecs trust</div>             <div class="col-lg-12 col-sm-12 left_right sevent_form_subtitle">enter details see latest event</div>             <div class="col-lg-12 col-sm-12  font_align input_box_div" ng-app="mobileangularuiexamples" ng-controller="bookcontroller">                  <form method="post" name="latest_event" id="latest_event" ng-submit="insertdata()">                       <input class="input_box" type="text" name="name" placeholder="name" ng-model="bname" required/>                     <input class="input_box" type="text" name="email" placeholder="email" ng-model="bemail" required/>                     <input class="input_box" type="text" name="contact" placeholder="contact" ng-model="bcontact" required/>                     <input class="input_box" type="text" name="address" placeholder="address" ng-model="baddress"/>                     <input class="input_box" type="text" name="yearofpassing" placeholder="year of passing" ng-model="byear"/>                     <input class="input_box" type="hidden" name="duid" id="deviceproperties" ng-model="bduid">                     <input type="submit" class="btn btn-default sub_btn" value="submit">                  </form>                <!-- <button type="submit" class="btn btn-default sub_btn" ng-click="insertdata()">submit</button>-->             </div>              <div class="col-lg-12 col-sm-12 left_right event_form_logo" ><img src="img/logo.jpg" alt="logoimg" class="logo"/></div>          </div>     </div> </div> </body>


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