Don't you hate developing a blasted simple webpage that does some asynchronous requests that gets you into cross-origin policy trouble. If you just read a `.html` file off the file system, this will bite you. But, it's easy to get around. Just host your .html file on a simple http server. And it's easy to make that happen. Here's one way.
Attacked by Snakes
First, Verify you have python installed:
> python --version Python 2.7.3
'Tis a Gift to Be Simple
Then navigate to the directory that you'd like to serve up and type:
python -m SimpleHTTPServer 5000
Where "5000" is the port you'd like to serve it on. (Defaults to 80.) Then point your browser to:
And rock your local dev.