jStat powerful statistical library with JavaScript and configurable plotting functions. This page demonstrates a range of jStat features.
Try altering the parameters of each distribution to see how they affect the shape. You can also configure the appearance of the plot in several ways:

- Flick between the PDF/CDF instantly.
- Plot the distribution as a series of points or a continuous line
- Render the plot as a line, or a filled density
- Provide information when hovering over the plot
- Adjust the number of points used to draw the distribution
An interactive console has also been provided that allows you to dynamically execute any jStat command.
Simply, it focuses on being a real JavaScript-based alternative for languages like R and MATLAB.
The library is standalone, however, for the plotting functionality, it requires jQuery, jQuery UI and jQuery-flot plugin.