“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application running from a file:// URL
For the record, as far as I can tell, you had two problems: You weren’t passing a “jsonp” type specifier to your $.get, so it was using an ordinary XMLHttpRequest. However, your browser supported CORS (Cross-Origin Resource Sharing) to allow cross-domain XMLHttpRequest if the server OKed it. That’s where the Access-Control-Allow-Origin header came in. I … Read more