Sources chinabased linkdoc ipotimes1/31/2024 ![]() The peek function will display the topmost element from the stack, and this operation will not remove the item from the stack like in the pop operation. We can define an algorithm to implement the peek operation in the stack class. the peek operation just returns the value at the top of the stack. Step 1 − Checks if the stack is empty by looking at the array length Step 2 − If the stack is empty, print an error, exit Step 3 − If the stack is not empty, get the element which is pointing at the top of the stack. There are other functions like isEmpty(), isFull(), and printStackItems() which can be used as supportive functions that will help you to use the stack efficiently. Stack implementation and all supportive functional implementations will be found in this codebase. ![]() Get your hands dirty with a stack data structure because we will use these data structures in the future when we are solving real-life problems in the algorithms section. The array is one of the most used data structures when programmers implementing their algorithms. One specialty of an array is that the array container should be in fixed size and all the elements should be in the same type.Īrray update is quite an easy operation that you just need to traverse through the given array until you find the required element to update. Implementation of the array update operation in nodejs - code Please follow the following code samples to get more familiar with array update functionality.
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