Client-side JavaScript file processing

W3C has published a new working draft of a proposed standard that will enable limited filesystem access from JavaScript – be afraid, be very afraid.

The trend towards significantly faster JavaScript engines is enabling powerful client-side processing on a level that simply wasn't feasible before in browsers. Local file access will make it possible to take advantage of client-side processing for a number of common and innovative tasks.


The new File API spec isn't particularly revolutionary or game-changing, but it's a nice bit of added functionality that will broaden the horizon of what can be achieved with Web scripting.

I’m sure this is going to be incredibly useful in many legit ways, however it’s still pretty scary from a security standpoint.

Posted on Friday, November 27, 2009 11:53 AM |

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