function() {
      var regions = this.getRegions();
      _.each(this._regions, function(region, name) {
        this._remove(name, region);
      }, this);
  
      return regions;
    }
function() {
      var regions = this.getRegions();
      _.each(this._regions, function(region, name) {
        this._remove(name, region);
      }, this);
  
      return regions;
    }
function ( ) { var regions = this . getRegions ( ) ; _ . each ( this . _regions , function ( region , name ) { this . _remove ( name , region ) ; } , this ) ; return regions ; }
Empty all regions in the region manager, and remove them
Empty all regions in the region manager and remove them