JavaScript in-depth analysis [Web front-end must know basic skills]

• Chapter1 Chapter One
• 1-1 Functional Programming - Paradigm Overview
• 1-2 Why learn functional programming
• 1-3 Functional programming concepts
• 1-4 Functions are first class citizens
• 1-5 Higher-order functions - functions as parameters
• Chapter2 Chapter two
• 2-1 Higher-order functions - functions as return values
• 2-2 The meaning of higher-order functions
• 2-3 Commonly used higher-order functions
• 2-4 Closure-Concept
• 2-5 Closure-case
• 2-6 pure function concept
• Chapter3 third chapter
• 3-1 Loadash
• 3-2 Advantages of pure functions
• 3-3 side effect
• 3-4 Currying
• Chapter4 Chapter Four
• 4-1 Currying method in Lodash
• 4-2 Currying case
• 4-3 Currying principle simulation
• 4-4 Currying Summary
• 4-5 Function composition concept
• 4-6 Combining functions in Lodash
• 4-7 Combination function principle simulation