Phaser.io vs Defold

This is one of the most developed frameworks right now.

You can choose WebGL or classic HTML canvas element for game rendering.

There are plenty of great learning resources available for Phaser.io.

Most tasks are done just using 2 or 3 lines of code.

If you're browsing Slant, you probably already have a JavaScript enabled browser, which is most of what you need to get started learning JavaScript. The requirement to run a server locally on your computer while developing might make things a little more difficult

All you need to do is attach Phaser script to a HTML page even without installing any extensions.

Phaser provides a similar approach as to that of Flash games, where you can load assets and place them on a stage, and even improves upon the shortcomings of actionscript. It is very easy to shift from flash to HTML5 development because of this approach.

You can use it in popular online editors like replit, codandbox, etc.

The creator of phaser(photonstorm) has given the older(Phaser 2.0) source code to the community for their own maintenance, and has made Phaser 3.0 with a different style and approach, trying to make it easier for beginners to learn.

Defold uses Lua, which is regarded as an easy to learn language by most.

Software and online dashboard are free of charge.

You can do a lot with drag and drop, but you're not limited -- the code (Lua, which is easy to learn) allows you more power than just visual editing usually gives you.

Going from idea to result is very important for the creative process.

Being crossplatform it is important to work on low end devices.

A very active and friendly community in forums.

You can download and modify the source code of the Editor and the engine for free.

You can invite friends from the dashboard and create games together.

It allows you to change scripts in a game while it is running live. Common use-cases is to tweak gameplay parameters or to perform debugging on a running game.