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Solution: Insertion at Tail

Explore how to append a new node at the tail of a singly linked list in JavaScript. Learn the step-by-step process, including handling empty lists, iterating to the last node, and linking the new node. Understand the time and space complexity of this approach to build efficient linked list operations.

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Statement

Given the head of a linked list and a target, value, return the updated linked list head after adding the target value at the end of the linked list.

Constraints:

Let n be the number of nodes in the linked list:

  • 00 \leq n 5×102\leq 5 \times 10^2 ...