Check for file size with JavaScript before uploading – Kavoir LLC

File uploading is a rather common feature of interactive sites. As all servers come with a limit on the size of the file being uploaded, it would be a usability blessing for users if web developers can implement a logic to check for the file size before uploading, informing the user if the size of the file exceeds the max allowed. At the server side, it’s easy to weigh the file in bytes, with PHP,

[nyangry]

ファイルサイズ