not supported for local files in IE9

 

well, there’s one dev issue I have.

 

see answers for some workaround plugins. I hate to have to do that, blarg.
However, I must admit -- at least IE gives me overwrite mode. Firefox just looks looks at me and demands a use-case, before snidely insisting I must be mistaken, nobody uses overwrite mode intentionally.

 

 

http://www.wintellect.com/CS/blogs/jprosise/archive/2011/03/10/using-html5-web-storage-for-interprocess-communication.aspx