avoidwork

filesize(500);                    // "3.91Kb"
filesize(500, true);              // "3.9k"
filesize(1500);                   // "1.46KB"
filesize("1500000000");           // "1.40GB"
filesize("1500000000", 0);        // "1GB"
filesize(1212312421412412);       // "1.08PB"
filesize(1212312421412412, true); // "1.1P" - shorthand output, similar to *nix "ls -lh"

avoidwork

/**
 * Data attributes facade
 * 
 * @type {Object}
 */
var data = {
	/**
	 * Getter
	 * 
	 * @param  {Object} obj Element to query