Creating and modifying files and folders in your text editor
Learn how to create and modify files and folders in your text editor.
October 2019
Self-closing tags – HTML
Learn what self-closing tags are in HTML.
Color values – CSS
In CSS, you can use RGB, hex, or HSL color values.
Constants – JavaScript
Learn how to create constants in JavaScript.
Common syntax problems – CSS
Learn how .
Basic syntax – CSS
Learn more about the style rule syntax of CSS.