When comparing Paths.js vs Shield UI Charts, the Slant community recommends Shield UI Charts for most people. In the question“What are the best JavaScript drawing libraries?” Shield UI Charts is ranked 9th while Paths.js is ranked 21st. The most important reason people chose Shield UI Charts is:
There are more than 20 types of charts available for use.
Ranked in these QuestionsQuestion Ranking
Pros

Pro Just helps building graphs, complements template engines or data-binding libraries
Can be used together with a template engine such as Mustache or Handlebars to display SVG graphics or instead of a static template engine, you can use a data binding or MVC/MV* library, such as Ractive.js, Angular, Mithril or Facebook React.

Pro 3 APIs for the price of one
3 APIs of increasing abstraction:
- Low-level (svg paths)
- Basic shapes (Polygon, Rectangle, Bezier, Sector, Connector etc..)
- Basic graphs (Pie, bar, stock, radar, tree, waterfall, sankey etc...)
There is no magic, you can have as much control as you want on how you define your graphs, source code very readable.

Pro Lightweight
18kb minified.
Pro Many chart types available
There are more than 20 types of charts available for use.
Pro Wrappers for ASP.NET, ASP.NET MVC and Apache Wicket
Each chart can be implemented to ASP.NET and ASP.NET MVC applications, with detailed documentation and guides for each.
Pro Good documentation
Each of the available charts has documentation and guides available for every different implementation (JavaScript, ASP.NET etc.)
Pro Interactive charts
The charting widget is built to facilitate client side interactions and notifications.
Pro Out of the box pan-and-zoom
Zoom-in on specific points of interest on the graph with the mouse – a single property allows this out-of-the-box.
Pro Supports combining different charts
You can combine different charts (they can be of the same type or even different types of charts) to display data correlations.
Cons
Con Commercial
Pay by developer starting from 349$.
