To show off what EdgeHTML can do, Microsoft has built a browser using predominantly JavaScript, HTML, and CSS. Next, the company released the app on the Windows Store and the sample code on GitHub.

The new release brings improvements to JavaScript heap profiles, CSS code formatting, and local history. Visual Studio Code 1.66 became available on March 30.

JetBrains’ WebStorm is an IDE for HTML, CSS, JavaScript, and XML, with support for projects (seen in the left-hand pane) and version control systems, including GitHub.

Back in 2012, Mozilla launched Thimble, an online code editor for teaching the basics of HTML, CSS and JavaScript. Over time, though, things got pretty quiet around the project as other browser ...