Output loop index for ng-repeat
Description
The following code shows how to output loop index for ng-repeat.
Example
<!doctype html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.2/angular.js"></script>
</head><!--from w w w. j av a 2 s .c om-->
<body>
<div ng-app="">
<div ng-init="friends = [{name:'John', age:25}, {name:'Mary', age:28}]">
I have {{friends.length}} friends. They are:
<ul>
<li ng-repeat="friend in fs = friends">
[{{$index + 1}}] {{friend.name}} who is {{friend.age}} years old.
</li>
</ul>
<pre>{{friends.length}}</pre>
<pre>{{fs.length}}</pre>
</div>
</div>
</body>
</html>