JavaScript Starter Product

A small, local JavaScript workspace for iPhone, iPad, and Mac.

Core features

• Create, rename, duplicate, delete, and restore local JavaScript projects;
• Edit one main.js file with automatic saving;
• Prepare standard input and view output, errors, and exceptions;
• Work through four sections and twenty runnable beginner lessons; and
• Stop programs that exceed time or output limits.

Runtime and data

Apple JavaScriptCore executes code locally on every platform. Projects, source code, input, results, and course progress stay in the app sandbox. The current release has no account, cloud sync, remote execution, or Node.js API.

Requirements

iOS/iPadOS 17 or macOS 14 and later. Compatibility with every Web API, Node.js module, npm package, or production project is not guaranteed.