转行学开发，代码100天——2018-05-21
angular的变量数据初始化：
ng-init="quantity=1;cost=30;student={firstName:'李',lastName:'刚',rollno:101};marks=[82,91,78,77,64]"
数据调用：{{参数}}
<!DOCTYPE html>
<html>
<head>
<title>angularJS 表达式</title>
<script type="text/javascript" src="js/angular.min.js"></script>
<script type="text/javascript">
angular.module("myApp",[]).controller('control1',function($scope) {
});
</script>
</head>
<body ng-app="myApp" ng-init="quantity=1;cost=30;student={firstName:'李',lastName:'刚',rollno:101};marks=[82,91,78,77,64]">
<p>Hello :{{student.firstName+' '+student.lastName}}</p>
<p>Expense on books:{{cost*quantity}} RS</p>
<p>Roll No:{{student.rollno}}</p>
<p>Marks(math):{{marks[3]}}</p>
</body>
</html>
