Ever run into this error before?
Uncaught TypeError: Object [object Object] has no method 'markItUp'
If you've ever used Safecracker for ExpressionEngine chances are you have!
What's happening is Safecracker is including JavaScript for custom fields in your form for you. These custom fields rely on said js to function properly. This in itself isn't a big deal but, the issue arises because Safecracker spits out this js right smack in the middle of your template wherever your Safecracker form happens to be located.
Again not the biggest issue except: