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Beginners Guide to Google Apps Script 1 - Sheets (Step-By-Step Guides to Google Apps Script)

A step-by-step, code-explained introduction to Google Apps Script for absolute beginners, teaching them to automate and extend Google Sheets while learning core JavaScript concepts along the way.

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What it’s about

Written for people with zero coding experience, this book takes you from writing your very first one-line script to building menus, loops, arrays, conditionals, and triggers that automate real spreadsheet tasks. Barrie Roberts explains every line of code as it's written, grounding each new Apps Script class and method (SpreadsheetApp, Spreadsheet, Sheet, Range) and each JavaScript concept (variables, loops, arrays, if statements, scope) in practical, hands-on Google Sheets examples. By the end you can read data, write and format tables, create and share spreadsheets, respond to form submissions and edits, and write your own efficient scripts for your own situations — all without installing anything, since everything lives in the cloud.

The through-line

Who it’s for
A non-programmer Google Sheets user who wants to automate repetitive tasks and extend what Sheets can do by learning to write their own code.
The problem
Repetitive spreadsheet tasks are time-consuming and error-prone, and the built-in features can't do everything the user needs. They feel intimidated by coding, unsure where to start, and frustrated that most tutorials assume prior knowledge or only cover web pages.
The plan
  1. Open the Script Editor from a Google Sheet and write, save, and authorize a first script.
  2. Learn core building blocks: variables, getting/setting values, loops, and arrays.
  3. Add decision-making with if/else if/else, menus, and prompts.
  4. Master the class hierarchy: SpreadsheetApp, Spreadsheet, Sheet, and Range.
  5. Automate with triggers (onOpen, onEdit, onFormSubmit) and optimize for speed.
The payoff
The reader can read, write, and format spreadsheet data programmatically. · They build custom menus, dialogs, and triggers that automate their own workflows. · They write efficient scripts that run fast and connect Sheets to other Google services.

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