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Adrian Cooney 2014-04-13 17:46:14 +01:00
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# console.snapshot( _canvas_ )
### A simple canvas profiler
`console.snapshot` takes and inputted _<canvas>_ element and outputs a snapshot of it into the console. It makes debugging the canvas a little less dramatic. See [this demo](http://dunxrion.github.io/console.snapshot). `console.snapshot` is a fork of the [`console.image`](http://github.com/dunxrion/console.image) and actually does something useful.
`console.snapshot` takes and inputted _<canvas>_ element and outputs a snapshot of it into the console. It makes debugging the canvas a little less dramatic. See [this demo](http://adriancooney.github.io/console.snapshot). `console.snapshot` is a fork of the [`console.image`](http://github.com/adriancooney/console.image) and actually does something useful.
![The demo](http://i.imgur.com/fA0UGXT.png)
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![Screenshot demo](http://i.imgur.com/e1EUuhM.png)
### console.image( _<url>_ )
`console.image` outputs an image from a url into the console. See [console.image](http://github.com/dunxrion/console.image).
`console.image` outputs an image from a url into the console. See [console.image](http://github.com/adriancooney/console.image).
```js
console.image("http://i.imgur.com/wWPQK.gif");
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##### I'm getting "Uncaught Error: SecurityError: DOM Exception 18" when I try to snapshot the canvas.
This is caused by printing a non CORS-enabled image on the canvas. The browser blocks the `toDataURL` function which is what `console.image` depends on to print the canvas. To fix this, see [this tutorial on HTML5Rocks](http://www.html5rocks.com/en/tutorials/cors/) or consider passing your image through a CORS proxy such as [corsproxy.com](http://corsproxy.com).
License: MIT
License: MIT