$(function () {
    
          var options; // Type:  jQuery.wijmo.wijappview.options
    
          // Create a new wijappview widget
          $(".selector").wijappview(options);
    
          // Get a previously created wijappview widget instance
          var widgetInstance; // Type:  jQuery.wijmo.wijappview
          widgetInstance = $(".selector").data("wijmo-wijappview");
    
          var value; // Type:  string
     
    // Get value
    value = widgetInstance.option("widgetBaseClass");
    // Set value
    widgetInstance.option("widgetBaseClass", value);
});