Section1 js operating principle

24 minutes53 seconds

Section2 js development tools and manuals

11 minutes37 seconds

Section1 js quick start case

14 minutes11 seconds

Section2 js syntax basics-overview

12 minutes27 seconds

Section3 js variable naming convention

18 minutes10 seconds

Section4 js data type(1)

23 minutes41 seconds

Section5 js data type(2)

07 minutes21 seconds

Section6 Define variables exercise

11 minutes32 seconds

Section7 Commentary on practice questions

22 minutes11 seconds

Section8 Data type conversion

16 minutes54 seconds

Section9 Stage summary

11 minutes54 seconds

Section10 arithmetic operators(1)

17 minutes47 seconds

Section11 Arithmetic operators(2)

30 minutes54 seconds

Section12 assignment operator

13 minutes52 seconds

Section13 Relational operators

21 minutes43 seconds

Section14 Small case of relational operators

09 minutes12 seconds

Section15 Logical Operators

27 minutes36 seconds

Section16 Logical operator exercises

26 minutes12 seconds

Section17 Branch control-single branch

16 minutes22 seconds

Section18 Branch Control-Double Branch

11 minutes27 seconds

Section19 Branch control-multiple branches

34 minutes43 seconds

Section20 Branch Control - Exercises

06 minutes48 seconds

Section21 switch statement

42 minutes40 seconds

Section22 for loop

28 minutes52 seconds

Section23 for loop exercises

25 minutes27 seconds

Section24 Stage summary

20 minutes37 seconds

Section25 for loop homework review (1)

26 minutes40 seconds

Section26 for loop homework review (2)

20 minutes55 seconds

Section27 while loop

06 minutes13 seconds

Section28 do while loop

33 minutes27 seconds

Section29 js debugging skills

31 minutes05 seconds

Section30 The necessity of js function

23 minutes40 seconds

Section31 js function experience case

12 minutes21 seconds

Section32 Function calling method

27 minutes57 seconds

Section33 Analysis of function calling mechanism (1)

18 minutes28 seconds

Section34 Analysis of function calling mechanism (2)

08 minutes30 seconds

Section35 Analysis of function calling mechanism(3)

11 minutes50 seconds

Section36 js variable scope

27 minutes57 seconds

Section37 Other instructions for js functions

11 minutes50 seconds

Section38 js99 multiplication table

11 minutes10 seconds

Section39 ternary operator

12 minutes24 seconds

Section40 Stage summary

15 minutes46 seconds

Section41 Initial experience with arrays

26 minutes58 seconds

Section42 How to pass array

30 minutes58 seconds

Section43 Array transfer method supplement

18 minutes23 seconds

Section44 Use of arrays

13 minutes30 seconds

Section45 Array traversal

07 minutes34 seconds

Section46 Two-dimensional array

20 minutes36 seconds

Section47 2D array average and homework

14 minutes41 seconds

Section48 js built-in objects

09 minutes49 seconds

Section49 Math object

24 minutes21 seconds

Section50 Date object(1)

32 minutes02 seconds

Section51 Date object(2)

10 minutes01 seconds

Section52 String object

25 minutes32 seconds

Section53 String object application case

09 minutes55 seconds

Section54 Array object

30 minutes37 seconds

Section55 Array object exercises

10 minutes38 seconds

Section56 Number object

18 minutes28 seconds

Section57 global function

31 minutes45 seconds

Section58 Stage summary

36 minutes40 seconds