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krestiki.html
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<!DOCTYPE html>
<html lang="ru">
<head>
<title>Задачник JavaScript от Трепачёва Дмитрия</title>
<meta charset="utf-8">
<style>
#game {
width: 156px;
border: 1px solid #000;
margin: 0 auto;
font-size: 0;
}
.cell {
width: 50px;
height: 50px;
line-height: 50px;
text-align: center;
font-family: arial;
display: inline-block;
font-size: 26px;
border: 1px solid #000;
cursor: pointer;
vertical-align: middle;
transition: background .1s;
}
.cell:hover {
background: #eee;
}
#message {
text-align: center
}
#restart {
margin: 0 auto;
display: block;
}
#statistics {
position: absolute;
right: 10px;
top: 10px;
border: 1px solid;
padding: 0 20px;
display: inline-block;
}
</style>
</head>
<body>
<div id="game">
<div class="cell" data-id="0"></div>
<div class="cell" data-id="1"></div>
<div class="cell" data-id="2"></div>
<div class="cell" data-id="3"></div>
<div class="cell" data-id="4"></div>
<div class="cell" data-id="5"></div>
<div class="cell" data-id="6"></div>
<div class="cell" data-id="7"></div>
<div class="cell" data-id="8"></div>
</div>
<!-- Очередь хода -->
<p id="message">
Ходит: x
</p>
<!-- Рестарт -->
<input type="button" id="restart" value="Начать сначала">
<!-- Стата -->
<div id="statistics">
<p>
Выиграл <b>x</b>: <span id="win_x">0</span>
</p>
<p>
Выиграл <b>0</b>: <span id="win_0">0</span>
</p>
<p>
Ничья: <span id="win_draw">0</span>
</p>
</div>
<script>
var game = document.getElementById('game');
var message = document.getElementById('message');
var restart = document.getElementById('restart');
var win_x = document.getElementById('win_x');
var win_0 = document.getElementById('win_0');
var win_draw = document.getElementById('win_draw');
var cells = document.getElementsByClassName('cell');
var player = 'x';
var paused = false;
var data = []; //Здесь будут хратися отмеченые ячейки
win = {x: 0, '0': 0, draw: 0};
var stepCount = 0;
var winIndex = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6]
];
for (var i = 0; i < cells.length; i++) {
addEvent(cells[i]);
}
restart.addEventListener('click', gameRestart);
function addEvent(cell) {
cell.addEventListener('click', step);
function step() {
if (!cell.innerHTML && !paused) {
cell.innerHTML = player;
var id = cell.getAttribute('data-id');
data[id] = player;
stepCount++;
if (checkWin()) {
message.innerHTML = 'Выиграл: ' + player;
win[player]++;
stepCount = 0;
paused = true;
} else {
changePlayer();
}
if (stepCount >= 9) {
win.draw++;
stepCount = 0;
message.innerHTML = 'Ничья';
}
updateStatistics();
}
}
}
function checkWin() {
for (var i = 0; i < winIndex.length; i++) {
var id = winIndex[i];
var check = data[id[0]] &&
data[id[0]] == data[id[1]] &&
data[id[1]] == data[id[2]];
if (check) {
return true;
}
}
return false;
}
function changePlayer() {
if (player === 'x') {
player = '0';
} else {
player = 'x';
}
message.innerHTML = 'Ходит: ' + player;
}
function clear() {
for (var i = 0; i < cells.length; i++) {
cells[i].innerHTML = '';
}
}
function gameRestart() {
clear();
changePlayer();
data = [];
paused = false;
}
function updateStatistics() {
win_x.innerHTML = win.x;
win_0.innerHTML = win['0'];
win_draw.innerHTML = win.draw;
}
</script>
</body>
</html>