This iterates over the cart array and displays the name, price, and quantity. Note that the "Remove" link and the "Create Order" button are bound to view-model functions.
这是对购物车的循环，并且显示名称、价格和数据。注意，“删除”链接和“创建订单”按钮都被绑定到视图模型的函数上。
In that example array indices are valid from 1 to 4. Of course upper bound cannot be changed.
在这个例子中数组的索引是有效的，从1到4当然上限不能改变。
When a large bound array of data are fed to native component, there will be large amount of JNI call which can drastically slow down the performance.
当一个大范围数组的数据从本地组件中输送过来，大量反复的JNI调用将极大地拖垮性能。
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