codex-lv2-may-2025

Week 6: APIs and Postman

Welcome to Week 6! This week focuses on working with APIs and using Postman for testing.

Lessons

• Lesson 1: Search Parameters - Learn about search parameters and how to work with them in APIs
• Lesson 2: How to Use Postman - Explore query strings in Postman, compare HTML vs JSON responses, and practice using the Params tab
• Lesson 3: Build a Weather App with JavaScript - Create a weather app using POJOs, helper functions, and Bootstrap cards
• Lesson 4: The Network Tab - Learn to use Chrome DevTools Network tab to inspect requests and responses
• Lesson 5: Postman Code Generation - Learn how to generate code from Postman requests and build interactive web applications
• Lesson 6: Integrating Network and DOM - Connect API data to web page updates and handle errors gracefully

Lesson Levels

Lesson 5: Postman Code Generation - Multiple Difficulty Levels

Choose the level that matches your experience:

• Level 1: Basic Setup - Create your first weather function with console logging
• Level 2: Button Challenge - Add user interaction with buttons
• Level 3: API Integration - Generate real API code from Postman
• Level 4: Network Testing - Test your API integration
• Level 5: Multiple Cities - Scale your app to handle multiple locations
• Level 6: Performance Analysis - Analyze network performance and optimization

Lesson 3: Weather App - Multiple Difficulty Levels

• Level 1-10 Available - Progressive difficulty levels for building weather apps

Overview

This week covers:

• Understanding APIs and their structure
• Working with search parameters
• Using Postman for API testing and development
• Building applications that interact with external data sources
• Creating interactive weather apps with JavaScript and POJOs
• Using Chrome DevTools Network tab for debugging
• Generating code from Postman requests

Reference Materials

• 📖 Week 6 Glossary - Key terms and concepts for APIs, Postman, and data integration
• Promise Reference Guide - Quick reference for understanding arrow functions and the then method in JavaScript promises
• Flow of Functions Guide - Comprehensive guide explaining how functions work together, including function calls, parameters, return values, and scope

Getting Started

For Beginners: Start with Lesson 1 to understand the fundamentals of search parameters and API interactions.

For Intermediate Students: Jump directly to Lesson 5 Level 1 to start building weather apps with Postman code generation.

For Advanced Students: Begin with Lesson 5 Level 3 or Lesson 5 Level 4 to focus on API integration and testing.

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🔗 Lesson Navigation

Progression Path:

1. Lesson 1: Search Parameters → Learn search parameters and URL structure
2. Lesson 2: How to Use Postman → Test APIs and save weather data
3. Lesson 3: Build a Weather App → Create interactive weather app with JavaScript
4. Lesson 4: The Network Tab → Master Chrome DevTools Network tab for debugging
5. Lesson 5: Postman Code Generation → Generate JavaScript code from Postman
6. Lesson 6: Integrating Network and DOM → Connect API data to web page updates

Quick Links:

• ← Back to Main Course
• ← Previous Week (Week 5)
• Next Week →