<div ng-app="" ng-init="quantity=1;cost=5">
p>总价： {{ quantity * cost }}</div>
>总价： span ng-bind="quantity * cost"></span>
="firstName='John';lastName='Doe'">姓名： {{ firstName + " " + lastName }}>姓名： ="firstName + ' ' + lastName">
="person={firstName:'John',lastName:'Doe'}">姓为 {{ person.lastName }}>姓为 ="person.lastName">
="points=[1,15,19,2,40]">第三个值为 {{ points[2] }}>第三个值为 ="points[2]">
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