Click on the "code" button to add a code editor where you can write JavaScript, ES6, and ReactYou can use the "show()" function to preview your ouput in the preview window
How to use the text editor
Click on the "text" button to add a text editor where you can write markdown textYou can click inside the text to start writing and click out to stop writing markdown text
Notes about buttons
If you have no code or text cell you will always see buttons to add oneYou can add a cell before or after a current cell by hovering above or below a cell and clicking the appropriate button
Saving/Loading
You can click the menu button on the top left to sign up. If you are logged in you can save and load your codeyou can save your text and code cells under a name. After saving, click "Load" from the menu button to see a list of your saved codes.Note that you will lose unsaved code when loading