function(newCls, oldCls) {
        this.input.addCls(Ext.baseCSSPrefix + 'input-el');
        this.input.replaceCls(oldCls, newCls);
    }
function(newCls, oldCls) {
        this.input.addCls(Ext.baseCSSPrefix + 'input-el');
        this.input.replaceCls(oldCls, newCls);
    }
function ( newCls , oldCls ) { this . input . addCls ( Ext . baseCSSPrefix + 'input-el' ) ; this . input . replaceCls ( oldCls , newCls ) ; }
Updates the {@link #cls} configuration.
Updates the {