vendor/ember-leaflet-cartodb/cartodb_noleaflet.js
function() {
    var e = this.get('extra_params') || e;
    e.cache_buster = new Date().getTime();
    this.set('extra_params', e);
    this.trigger('change', this);
  }
function() {
    var e = this.get('extra_params') || e;
    e.cache_buster = new Date().getTime();
    this.set('extra_params', e);
    this.trigger('change', this);
  }
function ( ) { var e = this . get ( 'extra_params' ) || e ; e . cache_buster = new Date ( ) . getTime ( ) ; this . set ( 'extra_params' , e ) ; this . trigger ( 'change' , this ) ; }
refresh the layer
refresh the layer