npm: Lockfiles & Build Workflows
Practice reproducible installs, package scripts, dependency intent, semantic versions, and deployable build output.
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Web Forms: Validation & User Feedback
Build reliable form experiences with clear validation, recoverable errors, and accessible feedback.
Web Debugging & Release Checks
Diagnose broken pages, isolate failures, and verify a change before release.
Apps Script Data Cleaning Pipelines
Design spreadsheet cleanup that preserves identifiers, validates rows, and produces reviewable output.
Apps Script Debugging & Operations
Troubleshoot event handlers, configuration, permissions, and failed automation runs.
Google Workspace Collaboration & Sharing
Choose sensible access, review, and handover practices for collaborative files.
Google Sheets Data & Reporting Workflows
Keep collaborative spreadsheets consistent, interpretable, and ready for trustworthy reporting.
Vibe Coding: Briefs, Prompts & Iteration
Turn an idea into a clear AI-assisted build with useful context, constraints, and acceptance criteria.
Vibe Coding: Review, Testing & Reliability
Evaluate generated code, catch hidden failures, and keep AI-assisted changes reviewable.
Vibe Learning: Active Practice with AI
Use AI as a practice partner through prediction, explanation, feedback, and independent attempts.
Vibe Learning: Projects, Transfer & Reflection
Turn guided lessons into independent skills through small projects, varied problems, and honest assessment.
JavaScript Fundamentals: Values, Scope & Functions
Test the JavaScript rules that shape everyday code: types, coercion, scope, closures, objects, and function behavior.
Async JavaScript: Promises, Tasks & the Event Loop
Reason through Promise chains, async functions, timers, error flow, cancellation, and event-loop ordering.
DOM & Browser JavaScript: Events, Forms & Web APIs
Challenge your understanding of event propagation, DOM updates, forms, selectors, storage, accessibility, and browser behavior.
Apps Script: Locks & Shared State
Prevent overlapping executions from corrupting shared counters and workflow state.
Apps Script: Properties & Configuration
Choose property scopes, serialize settings, handle missing values, and update configuration deliberately.
Apps Script: Range & Array Code Challenges
Trace spreadsheet coordinates, array transformations, write dimensions, and formula-safe output.
Apps Script: Resumable Batch Jobs & Checkpoints
Plan resumable processing with durable cursors, locking, retry policies, and safe output ownership.
Apps Script: Sidebar Client–Server Challenges
Debug HTML-service callbacks, serialization, response ordering, and server-side validation.
Apps Script: Trigger Events & Guard Clauses
Reason about event objects, pasted ranges, sheet guards, and controlled trigger behavior.
Browser Web Workers & Messaging
Move expensive calculations off the UI thread and manage messages, results, and worker lifecycles.
CSS Custom Properties & Theming
Build reusable themes and reason about variable scope, fallbacks, and computed values.
CSS: Logical Layout & Writing Modes
Adapt spacing, sizing, and alignment to left-to-right, right-to-left, and vertical content.
CSS: Sizing, Overflow & Layout Debugging
Diagnose overflowing layouts, flex and grid sizing, intrinsic dimensions, and responsive content.