5-day quick JS basics video tutorial

• Chapter1 first day
• 1-1 Preparation before class
• 1-2 Introduction to programming tools
• 1-3 Introduction to javascript
• 1-4 js development history and learning summary
• 1-5 How to write a js code and run it
• 1-6 Declare variables and assign values
• 1-7 Variable naming rules
• 1-8 Data types—numeric and string
• Chapter2 the next day
• 2-1 Other data types
• 2-2 Code comments
• 2-3 Convert other types to string
• 2-4 Numeric type conversion
• 2-5 boolean type conversion
• 2-6 Operator—arithmetic operator
• 2-7 unary operator
• 2-8 Logical Operators
• 2-9 comparison operator
• 2-10 Assignment operation
• 2-11 operator precedence
• Chapter3 The third day
• 3-1 if judgment
• 3-2 Usage of switch-case
• 3-3 while loop
• 3-4 do-while loop
• 3-5 for loop
• 3-6 for loop prints triangles
• 3-7 for loop multiplication table
• 3-8 continue与break
• 3-9 Basic concepts of arrays
• 3-10 Get array elements
• 3-11 Iterate over array elements
• Chapter4 The fourth day
• 4-1 Find the sum of array elements
• 4-2 Loop through array
• 4-3 Function declaration and calling
• 4-4 formal parameter
• 4-5 function return value
• 4-6 Anonymous functions and self-calling
• 4-7 function as parameter
• 4-8 Function as parameter 2
• 4-9 Variable promotion and code execution phase
• 4-10 Scope and code execution
• 4-11 Scope and scope chain
• 4-12 Overview of the object
• 4-13 Object declaration and use
• Chapter5 fifth day
• 5-1 this is an object
• 5-2 point to this
• 5-3 Object traversal and deletion
• 5-4 wrapper object
• 5-5 mathematical objects
• 5-6 date object
• 5-7 array object
• 5-8 string object
• 5-9 Code specifications