From 3769b7670871b32e44ad20cc24fa137c1724571c Mon Sep 17 00:00:00 2001
From: Mazhar Hussain <maxhar30@gmail.com>
Date: Thu, 20 May 2021 20:27:39 +0500
Subject: [PATCH] JavaScript Work done

---
 Tic-Toc-Toe/script.js | 92 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 Tic-Toc-Toe/script.js

diff --git a/Tic-Toc-Toe/script.js b/Tic-Toc-Toe/script.js
new file mode 100644
index 0000000..b0d652f
--- /dev/null
+++ b/Tic-Toc-Toe/script.js
@@ -0,0 +1,92 @@
+const X_Class = 'x'
+const CIRCLE_CLASS = 'circle'
+const WINNING_COMBINATIONS = [
+    [0, 1, 2],
+    [3, 4, 5],
+    [6, 7, 8],
+    [0, 3, 6],
+    [1, 4, 7],
+    [2, 5, 8],
+    [0, 4, 8],
+    [2, 4, 6]
+]
+const cellElements = document.querySelectorAll('[data-cell]')
+const winningMessageTextElement = document.querySelector('[data-winning-message-text]')
+const winningMessageElement = document.getElementById('winningMessage')
+const restartButton = document.getElementById('restartButton')
+const board = document.getElementById('board')
+let circleTurn
+
+startGame()
+
+restartButton.addEventListener('click', startGame)
+
+function startGame(params) {
+    circleTurn = false
+
+    cellElements.forEach(cell => {
+        cell.classList.remove(X_Class)
+        cell.classList.remove(CIRCLE_CLASS)
+        cell.removeEventListener('click', handleClick)
+        cell.addEventListener('click', handleClick, { once: true })
+    })
+    setBoardHoverClass()
+    winningMessageElement.classList.remove('show')
+}
+
+
+function handleClick(e) {
+    const cell = e.target
+    const currentClass = circleTurn ? CIRCLE_CLASS : X_Class
+    placeMark(cell, currentClass)
+    if (checkWin(currentClass)) {
+        endGame(false)
+    } else if (isDraw()) {
+        endGame(true)
+    } else {
+        swapTurns()
+        setBoardHoverClass()
+    }
+
+}
+
+function endGame(draw) {
+    if (draw) {
+        winningMessageTextElement.innerText = 'Draw!'
+    } else {
+        winningMessageTextElement.innerText = `${circleTurn ? "O's Wins" :"X's Wins" }`
+    }
+    winningMessageElement.classList.add('show')
+}
+
+function placeMark(cell, currentClass) {
+    cell.classList.add(currentClass)
+}
+
+function swapTurns() {
+    circleTurn = !circleTurn
+}
+
+function isDraw() {
+    return [...cellElements].every(cell => {
+        return cell.classList.contains(X_Class) || cell.classList.contains(CIRCLE_CLASS)
+    })
+}
+
+function setBoardHoverClass() {
+    board.classList.remove(X_Class)
+    board.classList.remove(CIRCLE_CLASS)
+    if (circleTurn) {
+        board.classList.add(CIRCLE_CLASS)
+    } else {
+        board.classList.add(X_Class)
+    }
+}
+
+function checkWin(currentClass) {
+    return WINNING_COMBINATIONS.some(combinations => {
+        return combinations.every(index => {
+            return cellElements[index].classList.contains(currentClass)
+        })
+    })
+}
\ No newline at end of file