<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
</head>
<body>
</body>
</html>
td {
border: 1px solid green;
width: 28px;
height: 28px;
}
#field {
border-spacing: 0;
border-collapse: collapse;
}
// noprotect
var dom = {};
dom.rand = function(min, max) {
if(max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
} else {
return Math.floor(Math.random() * (min + 1));
}
};
dom.trim = function(str) {
return str.replace(/^\s+|\s+$/g, '');
};
dom.hasClass = function(node, klass) {
var newClasses = (node.className).replace(/\s+/g, ' ');
return (' ' + newClasses + ' ').indexOf(' ' + klass + ' ') > -1;
};
dom.addClass = function(node, klass) {
if (!node.className) {
node.className = klass;
} else if (!this.hasClass(node, klass)) {
node.className += ' ' + klass;
}
};
dom.removeClass = function(node, klass) {
if (node.className && dom.hasClass(node, klass)) {
var newClasses = node.className.replace(new RegExp('(\\s+|^)' + klass + '(\\s+|$)', 'g'), ' ');
node.className = this.trim(newClasses);
}
};
dom.toggleClass = function(node, klass) {
if (dom.hasClass(node, klass)) {
dom.removeClass(node, klass);
} else {
dom.addClass(node, klass);
}
};
dom.addEvent = function(elem, type, handler) {
if (document.addEventListener) {
elem.addEventListener(type, handler, false);
} else {
elem.attachEvent("on" + type, handler);
}
};
dom.preventBrowserEvent = function(e) {
if (e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
};
function Cell(x, y) {
this.isOpened = false;
this.isRigged = false;
this.isMarked = false;
this.x = x;
this.y = y;
this.isClosed = true;
}
function Field(width, height, mines) {
this.table = document.createElement('table');
this.width = width;
this.height = height;
this.mines = mines;
this.cells = [];
this.createField();
this.markCell();
this.generateMines();
}
Field.prototype.createField = function() {
var row, y, x;
this.table.id = 'field';
for (y = 0; y < this.height; y++) {
row = this.table.insertRow(y);
for (x = 0; x < this.width; x++) {
row.insertCell(x);
this.cells.push(new Cell(x, y));
}
}
document.body.appendChild(this.table);
};
Field.prototype.openCell = function() {
dom.addEvent(this.table, 'click', function(e) {
var target = e && e.target || event.srcElement;
if (target.tagName != 'TD') {
return false;
}
this.cells[this.getCellIndex(target)].isOpened = true;
dom.preventBrowserEvent(e);
});
};
Field.prototype.markCell = function() {
dom.addEvent(this.table, 'contextmenu', function(e) {
var target = e && e.target || event.srcElement;
if (target.tagName == 'TD' && target.innerHTML === '') {
target.innerHTML = '⚑';
} else {
target.innerHTML = '';
}
dom.preventBrowserEvent(e);
});
};
Field.prototype.generateMines = function(table) {
var randRow;
for (var i = 0; i < this.mines; i++) {
randRow = dom.rand(0, this.cells.length - 1);
if (this.cells[randRow].isMine) {
i--;
} else {
this.cells[randRow].isMine = true;
}
}
};
Field.prototype.checkForAroundMines = function(cell) {
var cellIndex = this.getCellIndex(cell);
var rowIndex = cell.parentNode.rowIndex;
var aroundCells = [];
for (var j = rowIndex - 1; j < rowIndex + 1; j++) {
if (rowIndex === undefined) {
continue;
}
for (var k = cellIndex - 1; k < cellIndex + 1; k++) {
if (cellIndex < 0 || cellIndex > this.width - 1 || this.cells[cellIndex].isOpened || cellIndex === this.cells.indexof(cell) || !this.cells[this.getCellIndex(cellIndex)].isRigged) {
continue;
}
aroundCells.push(this.cells[cellIndex]);
}
}
};
Field.prototype.getCellIndex = function(cell) {
var rowIndex = cell.parentNode.rowIndex,
cellIndex;
if (row === 0) {
return cell.cellIndex;
} else {
return rowIndex * this.width + cell.cellIndex - 1;
}
};
function Game(width, height, mines) {
this.field = new Field(width, height, mines);
}
var game = new Game(9, 9, 10);
Output
You can jump to the latest bin by adding /latest
to your URL
Keyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |