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 ...

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.

One handy component is a timer for executing code at intervals—e.g., for polling a data source for updates. You can also hand-roll your own HTML and custom components.