jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.

Also in Visual Studio Code 1.66, the built-in CSS extension now ships with a code formatter, implemented by the js-beautify library, that works with CSS, LESS, and CSS.

[Click on image for larger view.] Native vs. Hybrid vs. Web Comparison (source: Upwork). One reason for that is that, by working with a single codebase consisting of JavaScript, HTML and CSS, ...