Web App Development with Google Apps Script/Why GAS
With Google Apps Script can do all your editing in a browser. Your scripts are either tied to a spreadsheet or they're stand alone scripts in your Google Drive. Either way you launch the editor through drive and you get a decent, if not fantastic, development environment that you can use on a Chromebook.
Most other web development approaches encourage you to code locally on your own machine and then push your code to the server that hosts the web page. Many people use github to help facilitate the pushing, but getting a nice coding environment on your local computer can be a hassle so it's nice with Google Apps Script that you can just grab any web-connected computer to do your work.
Spreadsheets as databaseEdit
What I'll be talking about mostly in this book is using simple Google Sheets to store all your data. I've done a lot of web app development using a mysql-type backend database, and I really appreciate the speed and utilities those provide. But they're a pain to set up and they're a pain to interact with separately from your web application. Google Sheets, on the other hand, are quite easy to set up and have a great user interface already for you to go look at and mess with your data.
Assuming you're in a situation where you're programming in a Google environment (like a google school like mine where all emails are just rebranded gmail accounts) there's a very simple command to determine the user's email address and from there you can decide what you want them to have access to.
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