Can you give us more code, especially the failure handler?

你能给我们更多的代码，特别是故障处理程序？

youdao

A handler for the loadend event. This event is triggered each time the reading operation is completed (either in success or failure).

数据读取完成后触发。不管数据读取成功还是失败都会触发。

youdao

A handler for the loadend event. This event is triggered each time the reading operation is completed (either in success or failure).

数据读取完成后触发。不管数据读取成功还是失败都会触发。

youdao