HTML 5 Tip 3 - How to Detect folders in Safari

Today i am going to show how to Detect folders in Safari in html with simple code. I hope you will understand this.
If you have any query you can ask.
i hope you will like it.

Array.prototype.forEach.call(e.dataTransfer.files, function (file) {
   var r = new FileReader();
   r.onload = function (event) {
      addFile(file);
   };
   r.onerror = function (event) {
      alert("Uploading folders isn't supported in Safari browser!");
   }
   r.readAsDataURL(file);
});