Along these lines I've written projects in canvas only to realize later I should've written in SVG. One of the aims of two.js is to afford a canonical API for the developer. So the idea is that if you're rendering lots of particles and not doing any manipulation to individual particles, canvas or webgl will render faster than svg. Two.js aims to make it easier to test and switch around between the contexts. However, I should caveat all of this with two.js is very nascent...
Along these lines I've written projects in canvas only to realize later I should've written in SVG. One of the aims of two.js is to afford a canonical API for the developer. So the idea is that if you're rendering lots of particles and not doing any manipulation to individual particles, canvas or webgl will render faster than svg. Two.js aims to make it easier to test and switch around between the contexts. However, I should caveat all of this with two.js is very nascent...