目录Deque 基础概念接口定义Deque 的方法详解1. 添加元素2. 删除元素3. 访问元素4. 栈操作（LIFO）5. 队列操作（FIFO）6. 删除所有元素7. 检查队列状态Deque 的实现类1. ArrayDeque2. LinkedList常见应用场景1. 栈实
I have following format of JSON in which I want to access 0.4, kem, 2, 2000 values but it seems it doesn\'t have name index so how one can access it in jQuery.
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