function(){
        var me = this;

        me.length = 0;
        me.items = [];
        me.keys = [];
        me.map = {};
        me.fireEvent('clear');
    }
function(){
        var me = this;

        me.length = 0;
        me.items = [];
        me.keys = [];
        me.map = {};
        me.fireEvent('clear');
    }
function ( ) { var me = this ; me . length = 0 ; me . items = [ ] ; me . keys = [ ] ; me . map = { } ; me . fireEvent ( 'clear' ) ; }
Removes all items from the collection.  Fires the `{@link #event-clear}` event when complete.
Removes all items from the collection . Fires the {