I\'ve built this checker-board app which uses HTML5\'s Drag&Drop with javascript. It works great on chrome and firefox, but not on IE9 or IE8. My guess is that the probl
Use "text" instead of "text/html"
e.dataTransfer.setData("text", this.innerHTML);
See this article for explanation
Even though Internet Explorer started out by introducing only "text" and "URL" as valid data types, HTML5 extends this to allow any MIME type to be specified. The values "text" and "URL" will be supported by HTML5 for backwards compatibility, but they are mapped to "text/plain" and "text/uri-list".