nl_tokens: When a child view is removed destroy its element so that it is removed from the DOM .
pl_tokens: function ( views , <mask> , removed ) { this . propertyWillChange ( 'childViews' ) ; if ( removed > 0 ) { var changedViews = views . slice ( start , start + removed ) ; // transition to preRender before clearing parentView this . currentState . childViewsWillChange ( this , views , start , removed ) ; this . initializeViews ( changedViews , null , null ) ; } }