When using angular, when using a loop to get the configuration data,
An error will be reported
It’s because ui-sref is initialized to be empty. How to modify it?
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First of all, take a look at this item.url 的值是什么， 路由配置那里有 沒有配置這個(gè) 值對(duì)應(yīng)的 state
Let’s post the picture below
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
