$(function () {
    
          var options; // Type:  wijmo.checkbox.wijcheckbox.options
    
          // Create a new wijcheckbox widget
          $(".selector").wijcheckbox(options);
    
          // Get a previously created wijcheckbox widget instance
          var widgetInstance; // Type:  wijmo.checkbox.wijcheckbox
          widgetInstance = $(".selector").data("");
    
          // Set changed event handler function
    widgetInstance.option("changed", function (e, data) { } );
});