Rob O'Leary Rob is a solution architect, fullstack developer, technical writer, and educator. He is an active participant in non-profit organizations supporting the underprivileged and promoting equality. He is travel-obsessed (one bug he cannot fix). You can find him at


6 Stories by Rob O'Leary

Level up your CSS linting using Stylelint

Level up your CSS, SCSS, and Sass linting skills and improve your code quality using this advanced guide on Stylelint.
0 7 min read

Automate formatting and fixing JavaScript code with Prettier and ESLint

There are challenges when using both a formatter and linter. See how Prettier and ESLint can automatically fix and format your JavaScript.
0 6 min read

Writing VS Code extensions in JavaScript

Learn how to set up a project and write your first VS code extension in JavaScript.
0 11 min read

The latest features of CSS in 2021

This overview covers the latest major CSS features to make it to browsers in 2021 and includes clear use cases for them.
0 6 min read

How to design highly performant animations and micro-interactions

Here, you can learn how to design highly performant animations and micro-interactions to improve the UX of your site.
0 10 min read

Debug CSS Grid with Chrome DevTools

Using Chrome DevTools and CSS Grid, learn how to discover grids in a page, inspect page layout, and debug common layout issues.
0 6 min read