Simple Todo App tutorial using HTML, CSS, JavaScript.
Tic-tac-toe, noughts and crosses, or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row is the winner.
In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations; push, which adds an element to the collection, and pop, which removes the most recently added element that was not yet removed.
