Overview
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Learn how to generate more consistent and easier-to-maintain JavaScript. Discover keys and tools for building better programs and to help improve code organization and quality.
Syllabus
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Introduction
- Creating well-structured modular JavaScript
- What you should know
- Setting up your environment
- Understanding style guides
- Using modern deployment tools
- Understanding ESLint
- Foundational practice: Always use strict mode
- Use function expressions instead of declarations
- Don't use the new keyword to construct functions
- Leave parameter values untouched
- Use arrow syntax for anonymous functions
- Rely on implicit return only when obvious
- Challenge: Create functions
- Solution: Create functions
- Use PascalCase for naming classes and constructors
- Use this only in classes or constructors
- Return this from methods
- Don't assign this to another variable
- Challenge: Create classes
- Solution: Create classes
- Configure module settings in ESLint
- Default export constants when possible
- Use case to indicate a module's default export type
- Use object destructuring
- Use array destructuring
- Challenge: Destructure
- Solution: Destructure
- Avoid eval
- Avoid == and !=
- Avoid with
- Avoid unary increments and decrements
- Next steps
