I am working on angular.js application in that I have loaded jQuery file still it shows error message

**Error**

> 
> Uncaught ReferenceError: jQuery is not defined(anonymous function) @ popup.js:1
> 
> 
> 

**Files loaded**

```
<script type="text/javascript"src="js/jquery-1.11.3.js"></script>
<script type="text/javascript" src="js/angular.js"></script>
<script type="text/javascript" src="js/angular-ui-router.js"></script>
<script type="text/javascript" src="js/angular-resource.js"></script>
<script src="js/app.js"></script>
<script src="js/appCtrl.js"></script>

```

I am not getting when is this popup.js is from.

Can anyone suggest me how to get rid of this error?