sync

allows you to sync two copies of data (all or just a part of it) from one DataCollection to another

void sync(object source, [function filter,boolean silent] );

source

objectthe object that the method is assigned to filter

functionthe filtering function silent

booleanif you set the parameter to true, the object won't be repainted after synchronization

Example

//full copy
$$('$richselect1').getList().data.sync(data);
 
//partial copy          
$$('$richselect1').getList().data.sync(data, function(){
    this.filter(function(data){
    return data.year > 1994;
    });
});

Related samples

DataCollection Syncing
Get Popup View

Details

Pay attention that you need to call the getList() method to access the data collection of Combo and Richselect.