Web apps examples: The children of a DOM node form a linked list, see Node.{firstChild, lastChild, nextSibling, previousSibling}: https://developer.mozilla.org

Web apps examples: The children of a DOM node form a linked list, see Node.{firstChild, lastChild, nextSibling, previousSibling}: https://developer.mozilla.org/en-US/docs/Web/API/Node https://developer.mozilla.org/en-US/docs/Web/API/Node What's more, the DOM form a tree: nodes have parents and children. Stacks? Your programming language, whatever it is, uses a stack, the call stack, to keep track of what functions are being called.