When comparing Crafty.js vs Construct 3, the Slant community recommends Crafty.js for most people. In the question“What are the best 2D game engines?” Crafty.js is ranked 37th while Construct 3 is ranked 86th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Javascript

Pro Eventbinding
Easy to learn, based on Entities and Components, the later being class-like objects that entities inherit.
Pro Modular
Has open function binding systems, allowing easy creation of custom components.
Pro Runs in the browser
If you don't have your Chromebook, Construct 3 will run in the browser.
Pro Fast and small
Construct 3 loads really fast.
Pro Timeline
It has a timeline feature which allows you to make amazing animations.
Pro No installation required
As it runs in the browser you can load it on any computer and show your friends your work really quickly.
Pro Works on Chromebooks
Construct 3 works on a Chromebook without any issues.
Cons
Con No IDE
If you like having some huge GUI akin to Gamemaker, Unreal, Unity, etc, Crafty is not for you.
Con Subscription based
It is subscription based pricing. It might not be for everyone.
