- From: Jonas Sicking <jonas@sicking.cc>
- Date: Mon, 26 Apr 2010 15:29:28 -0700
- To: Darin Fisher <darin@chromium.org>
- Cc: Web Applications Working Group WG <public-webapps@w3.org>
On Mon, Apr 26, 2010 at 3:21 PM, Darin Fisher <darin@chromium.org> wrote: > There is some interest from application developers at Google in being able > to get a Blob corresponding to the response body of a XMLHttpRequest. > The use case is to improve the efficiency of getting a Blob from a binary > resource downloaded via XHR. > The alternative is to play games with character encodings so that > responseText can be used to fetch an image as a string, and then use > BlobBuilder to reconstruct the image file, again being careful with the > implicit character conversions. All of this is very inefficient. > Is there any appetite for adding a responseBlob getter on XHR? There has been talk about exposing a responseBody property which would contain the binary response. However ECMAScript is still lacking a binary type. Blob does fit the bill in that it represents binary data, however it's asynchronous nature is probably not ideal here, right? / Jonas
Received on Monday, 26 April 2010 22:30:23 UTC