1-1 js basic introduction

1-2 js experience case

2-1 js operating principle

2-2 js development tools and manuals

3-1 js quick start case

3-2 js syntax basics-overview

3-3 js variable naming convention

3-4 js data type(1)

3-5 js data type(2)

3-6 Define variables exercise

3-7 Commentary on practice questions

3-8 Data type conversion

3-9 Stage summary

3-10 arithmetic operators(1)

3-11 Arithmetic operators(2)

3-12 assignment operator

3-13 Relational operators

3-14 Small case of relational operators

3-15 Logical Operators

3-16 Logical operator exercises

3-17 Branch control-single branch

3-18 Branch Control-Double Branch

3-19 Branch control-multiple branches

3-20 Branch Control - Exercises

3-21 switch statement

3-22 for loop

3-23 for loop exercises

3-24 Stage summary

3-25 for loop homework review (1)

3-26 for loop homework review (2)

3-27 while loop

3-28 do while loop

3-29 js debugging skills

3-30 The necessity of js function

3-31 js function experience case

3-32 Function calling method

3-33 Analysis of function calling mechanism (1)

3-34 Analysis of function calling mechanism (2)

3-35 Analysis of function calling mechanism(3)

3-36 js variable scope

3-37 Other instructions for js functions

3-38 js99 multiplication table

3-39 ternary operator

3-40 Stage summary

3-41 Initial experience with arrays

3-42 How to pass array

3-43 Array transfer method supplement

3-44 Use of arrays

3-45 Array traversal

3-46 Two-dimensional array

3-47 2D array average and homework

3-48 js built-in objects

3-49 Math object

3-50 Date object(1)

3-51 Date object(2)

3-52 String object

3-53 String object application case

3-54 Array object

3-55 Array object exercises

3-56 Number object

3-57 global function

3-58 Stage summary