Hacking browser copy/paste to support Excel compatible clipboard in a web page

We did this many, many years ago in an IE6-specific financial reporting application as well. At the time, the JS grids were 1) poorly written and 2) expensive, so we ended up biting the bullet and writing a grid in-house.

Funny to think that less than ten years ago, you could still get away with targeting IE6 only and it would be considered a reasonable decision for enterprise software.