data structures - How do you implement a Stack and a Queue in JavaScript? -

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What is the best way to implement a stack and queue in JavaScript?

I am looking for Shunting-Yard algorithm and I'm going to need these data structures. 

  Var stack = []; Stack.push (2); // Stack is now [2] stack.push (5); // Stack is now [2, 5] var i = stack.pop (); // Stack is now [2] Alert (i); // display 5 var queue = []; Queue.push (2); // queue is now [2] q Push (5); // queue is now [2, 5] var i = queue.shift (); // queue is now [5] warning (i); // displayed from 2

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