Queue<T>.peek ​

Returns the object at the beginning of the Queue<T> without removing it.

Returns ​

T

The object at the beginning of the Queue<T>.

Example ​

const queue = new Queue<number>();

queue.enqueue(1);
queue.enqueue(2);
queue.enqueue(3);

queue.peek() // => 3

Remarks ​

This method is an O(1) operation.