Convert size in bytes to human readable format

http://codeaid.net/javascript/convert-size-in-bytes-to-human-readable-format-(javascript)

 

 

function bytesToSize (bytes) {
var sizes = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
if (bytes == 0) return 'n/a';
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
return ((i == 0)? (bytes / Math.pow(1024, i)) : (bytes / Math.pow(1024, i)).toFixed(1)) + ' ' + sizes[i];
};