
-
- DOCTYPE html>
- <html>
- <head>
- <style>
- #grid{
- width:316px;
- height: 316px;
- background-color: #00BFFF;
- }
- .cell {
- width: 60px;
- height: 60px;
- border: 1px solid black;
- float: left;
- }
- .red {
- background-color: red;
- }
- .black {
- background-color: black;
- }
- style>
- head>
- <body>
- <div id="grid">div>
- <script>
- var grid = [];
- var size = 5;
- var gridElement = document.getElementById('grid');
-
- for (var i = 0; i < size; i++) {
- var row = [];
- for (var j = 0; j < size; j++) {
- var cell = document.createElement('div');
- cell.className = 'cell red';
- cell.onclick = (function(i, j) {
- return function() {
- toggleColor(i, j);
- }
- })(i, j);
- gridElement.appendChild(cell);
- row.push(cell);
- }
- grid.push(row);
- }
-
- grid[2][2].className = 'cell black';
-
- function toggleColor(i, j) {
- var directions = [[-1, 0], [1, 0], [0, -1], [0, 1]];
- for (var k = 0; k < directions.length; k++) {
- var ni = i + directions[k][0];
- var nj = j + directions[k][1];
- if (ni >= 0 && ni < size && nj >= 0 && nj < size) {
- var cell = grid[ni][nj];
- cell.className = cell.className === 'cell red' ? 'cell black' : 'cell red';
- }
- }
- }
- script>
- body>
- html>