php - Getting upload file size before upload

Question

When the user selects a file to be uploaded, is there a way I can get the exact size of this file before the upload even begins? I'm guessing this needs to be done on the client side with jQuery or JavaScript. Any ideas how?

Answer 1

This cannot be done in pure Javascript in current browsers.

Instead, you can use Uploadify, which uses Flash.

In non-IE browsers, you can also use HTML5 to read files on the client.