Ionic back arrow+hide data+history clear

 For adding the back arrow with out any text:-

 Firstly include following in the menu.html

 <ion-nav-back-button class="button-clear">
            <i class="ion-arrow-left-c arrow_size"></i>
        </ion-nav-back-button>
        </ion-nav-buttons side="left">
    </ion-nav-bar>

</ion-nav-buttons>

 Then include following in the app.js

 .config(function ($ionicConfigProvider){

 $ionicConfigProvider.backButton.text('').icon('').previousTitleText(false);

})

For hiding field from html page if that field has no data:-

 Include following in html page

 <div ng-show=”name == ‘myName’”>Some data</div> 

For clear history:-

Include following in the controller.js,for which you want to clear history

$ionicViewService.clearHistory();