destructuring assignment example

gistfile1.txt

// before
  var displayAnnotation = config.displayAnnotation,
      width = config.width,
      axisHeight = config.axisHeight,
      barsLeftMargin = config.barsLeftMargin,
      barsRightMargin = config.barsRightMargin;


// after
  var { displayAnnotation,
        width,
        axisHeight,
        barsLeftMargin,
        barsRightMargin } = config;

Nice!