# JavaScript Interview Preparation

A comprehensive 6-hour curriculum designed for JavaScript developers preparing for technical interviews. Created for developers who started with JavaScript in 1999 and need targeted remastery.

## Structure

### Exams
- `exams/00-evaluation.md` - Diagnostic assessment (25 questions)
- `exams/00-evaluation-answers.md` - Answer key with explanations

### Lessons
Each lesson includes:
- `knowledge.md` - Core concepts, explanations, and examples
- `quiz-difficulty-medium.md` - Practice quiz for the topic

#### Lesson Topics (45-50 minutes each)

- **Lesson 00** - Getting Started & Assessment Review
- **Lesson 01** - Type System & Coercion
- **Lesson 02** - This Binding & Contexts
- **Lesson 03** - Closures & Scope
- **Lesson 04** - Event Loop & Async Execution
- **Lesson 05** - Promises & Async/Await
- **Lesson 06** - Prototypes & Classes
- **Lesson 07** - ES6+ Modern Features
- **Lesson 08** - Array Methods & Functional Programming

## How to Use

1. **Take the Diagnostic** (20 minutes)
   - Complete `exams/00-evaluation.md`
   - Don't look up answers - assess your current knowledge
   - Check your answers against `exams/00-evaluation-answers.md`

2. **Review Your Results** (10 minutes)
   - Count correct answers
   - Identify which sections had the most errors
   - Note: Each question maps to a specific lesson topic

3. **Study Your Curriculum** (6 hours)
   - If you scored 15+: Focus on lessons where you made mistakes
   - If you scored <15: Work through all lessons sequentially
   - Each lesson: 30-40 minutes reading + 10-15 minutes quiz

4. **Practice Questions**
   - Complete the medium-difficulty quiz for each lesson
   - Review explanations for incorrect answers

## Recommended Study Path

### High Scorers (23-25 correct)
- Review explanations for missed questions
- Complete quizzes only for weak topics
- Focus on edge cases and advanced scenarios
- Total time: 2-3 hours

### Strong Foundation (19-22 correct)
- Review missed topic lessons
- Complete corresponding quizzes
- Skim lessons you got fully correct
- Total time: 3-4 hours

### Moderate Gaps (15-18 correct)
- Work through all missed topic lessons thoroughly
- Complete all corresponding quizzes
- Quick review of strong topics
- Total time: 4-5 hours

### Comprehensive Study (0-14 correct)
- Work through all 8 lessons sequentially
- Complete all quizzes
- Review fundamental concepts carefully
- Total time: 6+ hours

## Quick Reference

### Question to Lesson Mapping

| Questions | Topic | Lesson |
|-----------|-------|--------|
| 1, 4, 21, 22, 24, 25 | Type System & Coercion | 01 |
| 3, 23 | This Binding & Contexts | 02 |
| 5, 6 | Closures & Scope | 03 |
| 7, 19, 20 | Event Loop & Async Execution | 04 |
| 8, 9 | Promises & Async/Await | 05 |
| 13, 14, 15 | Prototypes & Classes | 06 |
| 10, 11, 12 | ES6+ Modern Features | 07 |
| 16, 17, 18 | Array Methods & Functional Programming | 08 |

## Tips for Interview Success

1. **Understand, Don't Memorize** - Interviewers can tell the difference
2. **Practice Explaining** - Articulate your reasoning out loud
3. **Know the "Why"** - Understand why JavaScript behaves certain ways
4. **Edge Cases Matter** - Many interview questions test boundary conditions
5. **Modern Syntax** - Show familiarity with ES6+ features

## Next Steps After This Curriculum

- Practice on coding platforms (LeetCode, HackerRank)
- Build small projects using modern JavaScript
- Read MDN documentation for deep dives
- Study algorithm and data structure implementations in JavaScript
- Mock interview practice with peers

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**Created for developers with 25+ years of JavaScript experience preparing for modern technical interviews.**