Bar Chart | Chart.js Open source HTML5 Charts for your website. Options are: 'start' 'end' 'middle' (only valid on stacked bars: the borders between bars are skipped) 'bottom' 'left' 'top' 'right' false # borderWidth If this value is a number, it is applied to all sides of the rectangle (left, top, right, bottom), except borderSkipped.If this value is an object, the left property defines the left border width.