“Ctrl+/”
“F11/ESC”
<!DOCTYPE html>
<html>
<script src= "https://apps.bdimg.com/libs/angular.js/1.3.9/angular.min.js"></script>
<body>
<div ng-app>
<p>我的第一个表达式: {{ 5 + 5 }}</p>
</div>
</body>
</html>