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Fundamentals
- Hello World
- Code Structure
- Use Strict
- Variables
- Data Types
- Type Conversions
- Maths
- Comparitions
- Conditional
- Loops
- Functions

Testing
- Mocha
- Nested Describe

Objects
- Basics
- Reference
- Methods
- Constructor

Types
- Primitives
- Numbers ♣
- Strings
- Arrays
- Json

Classes

Types ♣ Numbers

Built-in functions for rounding
Losing precision, true for many languages

let sum = 0.1 + 0.2;
sum == 0.30000000000000004
sum.toFixed(2) === "0.30"

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