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index.js
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index.js
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const boxes = document.querySelectorAll(".box");
const gameInfo = document.querySelector(".game-info");
const newGameBtn = document.querySelector(".btn");
let currentPlayer;
let gameGrid;
const winningPositions = [
[0,1,2],
[3,4,5],
[6,7,8],
[0,3,6],
[1,4,7],
[2,5,8],
[0,4,8],
[2,4,6]
];
function initGame() {
currentPlayer = "X";
gameGrid = ["","","","","","","","",""];
boxes.forEach((box, index) => {
box.innerText = "";
boxes[index].style.pointerEvents = "all";
box.classList = `box box${index+1}`;
});
newGameBtn.classList.remove("active");
gameInfo.innerText = `Current Player - ${currentPlayer}`;
}
initGame();
function swapTurn() {
if(currentPlayer === "X") {
currentPlayer = "O";
}
else {
currentPlayer = "X";
}
gameInfo.innerText = `Current Player - ${currentPlayer}`;
}
function checkGameOver() {
let answer = "";
winningPositions.forEach((position) => {
if( (gameGrid[position[0]] !== "" || gameGrid[position[1]] !== "" || gameGrid[position[2]] !== "")
&& (gameGrid[position[0]] === gameGrid[position[1]] ) && (gameGrid[position[1]] === gameGrid[position[2]])) {
if(gameGrid[position[0]] === "X")
answer = "X";
else {
answer = "O";
}
boxes.forEach((box) => {
box.style.pointerEvents = "none";
})
boxes[position[0]].classList.add("win");
boxes[position[1]].classList.add("win");
boxes[position[2]].classList.add("win");
}
});
if(answer !== "" ) {
gameInfo.innerText = `Winner Player - ${answer}`;
newGameBtn.classList.add("active");
return;
}
let fillCount = 0;
gameGrid.forEach((box) => {
if(box !== "" )
fillCount++;
});
if(fillCount === 9) {
gameInfo.innerText = "Game Tied !";
newGameBtn.classList.add("active");
}
}
function handleClick(index) {
if(gameGrid[index] === "" ) {
boxes[index].innerText = currentPlayer;
gameGrid[index] = currentPlayer;
boxes[index].style.pointerEvents = "none";
swapTurn();
checkGameOver();
}
}
boxes.forEach((box, index) => {
box.addEventListener("click", () => {
handleClick(index);
})
});
newGameBtn.addEventListener("click", initGame);