<html>
<head>
<script src="//fb.me/react-with-addons-0.14.3.js"></script>
<script src="//fb.me/react-dom-0.14.3.js"></script>
<script src="https://code.createjs.com/easeljs-0.8.1.min.js"></script>
<script src="https://code.createjs.com/tweenjs-0.6.1.min.js"></script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<div id="container">
</div>
</body>
</html>
var stage;
var Grid = React.createClass({
getInitialState: function() {
return {
rows: 10,
cols: 10
}
},
componentDidMount: function () {
this.drawGrid();
},
drawGrid: function() {
stage = new createjs.Stage("canvas");
var rectangles = [];
var rectangle;
//Rows
for (var x = 0; x < this.state.rows; x++)
{
// Columns
for (var y = 0; y < this.state.cols; y++)
{
var color = "Green";
rectangle = new createjs.Shape();
rectangle.graphics.beginFill(color);
rectangle.graphics.drawRect(0, 0, 32, 44);
rectangle.x = x * 33;
rectangle.y = y * 45;
stage.addChild(rectangle);
var id = rectangle.x + "_" + rectangle.y;
rectangles[id] = rectangle;
}
}
stage.update();
},
updateNumRows: function(event) {
this.setState({ rows: event.target.value });
//this.drawGrid();
},
updateNumCols: function(event) {
this.setState({ cols: event.target.value });
//this.drawGrid();
},
componentDidUpdate:function() {
this.drawGrid();
},
render: function() {
return (
<div>
<div className="canvas-wrapper">
<canvas id="canvas" width="400" height="500"></canvas>
<p>Rows: { this.state.rows }</p>
<p>Columns: {this.state.cols }</p>
</div>
<div className="array-form">
<form>
<label>Number of Rows</label>
<select id="numRows" value={this.state.rows} onChange={ this.updateNumRows }>
<option value="1">1</option>
<option value="2">2</option>
<option value="5">5</option>
<option value="10">10</option>
<option value="12">12</option>
<option value="15">15</option>
<option value="20">20</option>
</select>
<label>Number of Columns</label>
<select id="numCols" value={this.state.cols} onChange={ this.updateNumCols }>
<option value="1">1</option>
<option value="2">2</option>
<option value="5">5</option>
<option value="10">10</option>
<option value="12">12</option>
<option value="15">15</option>
<option value="20">20</option>
</select>
</form>
</div>
</div>
);
}
});
ReactDOM.render(
<Grid />,
document.getElementById("container")
);
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. |