code: function log(logLevel, level, content) {
  	var output = true;
  
  	switch (logLevel) {
  	case 'slient':
  		if (level !== 'lv1') {
  			output = false;
  		}
  		break;
  	case 'info':
  		if (level === 'lv3') {
  			output = false;
  		}
  		break;
  	default:
  		output = true;
  	}
  	if (output) {
  		var data = Array.prototype.slice.call(content);
  		fancyLog.apply(false, data);
  	}
  }
docs: Log with same stylesheet and level control.