“Ctrl+/”
“F11/ESC”
<!DOCTYPE html>
<html>
<body>
<div ng-app="" ng-init="points=[1,15,19,2,40]">
<p>第三个值为 {{ points[2] }}</p>
</div>
<script src="https://apps.bdimg.com/libs/angular.js/1.3.9/angular.min.js"></script>
</body>
</html>