Ranked in these QuestionsQuestion Ranking
Pro Powerful line drawing
Not only Bezier curves but also any lines, shapes, arcs, etc. out-of-the-box.
Pro Convenient API
Clear and concise API with chaining support.
Pro Virtual DOM
Rapid drawing. Only what is necessary is drawn.
Pro Has its own transformation engine
No need to use embarrassing in-browser transformations.
Pro Legacy browser support
Pro Smart layering system
Pro Rich text features
Multiline text support, text measurement, wrap, indent, spacing, align, etc.
Pro Full accessibility (Section 508)
Pro Events support
All browser events are dispatched in the same way in virtual DOM structure also.