setStatus.js

setStatus : function ( status ) {                              
  var triggerChange = this.get("status") == status;            
                                                               
  this.set({status: status});                                  
                                                               
  if (triggerChange)                                           
    this.trigger("change:status", this, status);               
}                                                              

snippet.js

this.set({status: status, forceChange: true});

this.set({status: status, silent: true});
this.trigger("change:status", this, status);