humanReadableByteCount.js

/*
http://stackoverflow.com/questions/3758606/how-to-convert-byte-size-into-human-readable-format-in-java


public static String humanReadableByteCount(long bytes, boolean si) {
    int unit = si ? 1000 : 1024;
    if (bytes < unit) return bytes + " B";
    int exp = (int) (Math.log(bytes) / Math.log(unit));
    String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp-1) + (si ? "" : "i");
    return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);
}
*/

function humanReadableByteCount(bytes, si) {
    var unit = si ? 1000 : 1024;
    if (bytes < unit) {
        return bytes + ' B';
    }
    var exp = Math.floor(Math.log(bytes) / Math.log(unit));
    var hb = (si ? 'kMGTPE' : 'MKGTPE').charAt(exp - 1) + (si ? '' : 'i') + 'B';
    var num = Math.round(bytes / Math.pow(unit, exp) * 10) / 10;

    return num + ' ' + hb;
}