Choosing the Right Framework: Vanilla JS, React, or React+TypeScript

Three Frameworks, Different Strengths

GenMB can generate apps in Vanilla JavaScript, React, or React + TypeScript. Each has its place. Here's how to choose.

Vanilla JavaScript

Best for:

• Simple, single-purpose apps
• Maximum performance needs
• Minimal bundle size
• Static sites with light interactivity

Examples:

• Calculators and converters
• Simple games
• Landing pages
• Utility tools

Prompt tip:

"Create a unit converter using vanilla JavaScript for fastest performance"

Pros:

• Fastest load times
• No framework overhead
• Simplest mental model
• Works everywhere

Cons:

• Manual DOM manipulation
• Harder to manage complex state
• Less structure for large apps

React

Best for:

• Complex, stateful applications
• Apps with many interactive components
• Projects that may grow in scope
• Familiar patterns for most developers

Examples:

• Dashboards
• E-commerce interfaces
• Social media-style feeds
• Multi-page applications

Prompt tip:

"Build a task management dashboard using React with component-based architecture"

Pros:

• Excellent state management
• Component reusability
• Large ecosystem
• Industry standard

Cons:

• Larger bundle size
• Learning curve for JSX
• More boilerplate

React + TypeScript

Best for:

• Professional, production-grade applications
• Teams that value type safety
• Large codebases that need maintainability
• Apps with complex data structures

Examples:

• Enterprise dashboards
• SaaS applications
• Complex forms with validation
• Apps with API integrations

Prompt tip:

"Create a customer management app using React with TypeScript for type safety"

Pros:

• Catch errors at compile time
• Better IDE autocomplete and refactoring
• Self-documenting code
• Easier maintenance as apps grow

Cons:

• Slightly more verbose
• Learning curve for TypeScript
• Larger bundle than plain React

Quick Decision Guide

Framework Comparison by Feature

State Management

• Vanilla JS: Manual (variables, localStorage)
• React: useState, useReducer, Context
• React + TS: Same as React, with typed state

Component Structure

• Vanilla JS: Functions and classes
• React: JSX components
• React + TS: Typed JSX components with interfaces

Learning Curve

• Vanilla JS: Low (just JavaScript)
• React: Medium (JSX, hooks)
• React + TS: Medium-High (JSX, hooks, TypeScript)

Type Safety

• Vanilla JS: None (runtime errors only)
• React: None (unless using PropTypes)
• React + TS: Full compile-time type checking

When in Doubt

If you're unsure, here's the default recommendation:

• Simple app (< 5 features): Vanilla JS
• Medium app (5-15 features): React
• Complex/production/enterprise app: React + TypeScript

Or just ask GenMB:

"I want to build [describe app]. Which framework would you recommend?"

The AI will suggest the best fit based on your requirements.

Switching Frameworks

Already generated an app but want to try a different framework?

"Recreate this app using React instead of Vanilla JS"

GenMB will rebuild with the new framework while maintaining your features.

Choose wisely, but don't overthink it-you can always regenerate.