JavaScript/jQuery Sparkline - tooltip.border

This option supports the following colors:

• Hexadecimal colors
• RGB colors
• RGBA colors
• Predefined/cross-browser color names
• Predefined SVG colors

The following values are available:

• solid
  Displays the border as a solid, continuous line.
• longDash
  Displays the border using long dashes.
• dash
  Displays the border using dashes.
• dot
  Displays the border using dots.
• Any combination of 'longDash', 'dash' and 'dot'
  Displays the border by repeating the specified combination. For instance, 'dashdotdash'.

Use the DashStyle enum to specify this option when the widget is used as an ASP.NET MVC Control. This enum accepts the following values: Solid, LongDash, Dash, and Dot.

This option accepts a value from 0 to 1, where 0 makes the border completely transparent, and 1 makes it opaque.