Here’s a way to remove an array element without mutating the array.
CodeMirror is a great in-browser editor that needs some help when rendered server-side.
Change the page title when the user routes to a new page.
How I like to write JS arrow functions with no parameters.
Here are a couple helpful packages that will help you write better npm-scripts.
Learn the syntax to export in these two styles in Node.js.
Jest is easy to use on a Lerna repo with a bit of config.
A generator function is a different, special function.