如何拆分绑定字符串 ExtJS

Question

如果她绑定，我如何分割字符串并获得长度？ 我试过了，但显示的值为空：

{
        xtype: 'displayfield',
        fieldLabel: __('sending_to'),
        bind: {
            value: '{recipients.split("\n").length}'
        }
}

Answer 1

您可以使用formulas to put more logic in it. And about your question, here's the FIDDLE