bytes converter

bytes.js

var bytes = 1028653056;
//var bytes = 28653056;
//var bytes = 1;
var types = ['Bytes', 'KiloBytes', 'MegaBytes', 'GigaBytes'];
var result;
var index;

for(var i=0;i<types.length;i++)
{
        var z = 1;
        for(var j=0;j<i;j++)
                var z = z * 1024;
        var r = (bytes / z).toFixed(2);
        if(r>=1)
        {
                result = r;
                index = i;
        }
}
console.log(result+" "+types[index]);
/*
Output:
981.00 MegaBytes
*/