Preparation before class
06 minutes46 secondsIntroduction to programming tools
11 minutes07 secondsIntroduction to javascript
11 minutes14 secondsjs development history and learning summary
25 minutes08 secondsHow to write a js code and run it
14 minutes15 secondsDeclare variables and assign values
10 minutes10 secondsVariable naming rules
18 minutes17 secondsData types—numeric and string
15 minutes53 secondsOther data types
14 minutes09 secondsCode comments
01 minutes36 secondsConvert other types to string
07 minutes06 secondsNumeric type conversion
09 minutes21 secondsboolean type conversion
04 minutes35 secondsOperator—arithmetic operator
04 minutes20 secondsunary operator
17 minutes41 secondsLogical Operators
14 minutes09 secondscomparison operator
06 minutes41 secondsAssignment operation
03 minutes22 secondsoperator precedence
17 minutes36 secondsif judgment
20 minutes20 secondsUsage of switch-case
08 minutes31 secondswhile loop
17 minutes46 secondsdo-while loop
05 minutes56 secondsfor loop
14 minutes04 secondsfor loop prints triangles
07 minutes05 secondsfor loop multiplication table
08 minutes58 secondscontinue与break
09 minutes21 secondsBasic concepts of arrays
19 minutes11 secondsGet array elements
07 minutes23 secondsIterate over array elements
08 minutes23 secondsFind the sum of array elements
03 minutes11 secondsLoop through array
10 minutes01 secondsFunction declaration and calling
10 minutes45 secondsformal parameter
11 minutes55 secondsfunction return value
10 minutes33 secondsAnonymous functions and self-calling
07 minutes24 secondsfunction as parameter
08 minutes51 secondsFunction as parameter 2
04 minutes06 secondsVariable promotion and code execution phase
14 minutes17 secondsScope and code execution
08 minutes39 secondsScope and scope chain
10 minutes39 secondsOverview of the object
06 minutes07 secondsObject declaration and use
13 minutes58 secondsthis is an object
08 minutes48 secondspoint to this
08 minutes40 secondsObject traversal and deletion
07 minutes37 secondswrapper object
09 minutes04 secondsmathematical objects
21 minutes02 secondsdate object
12 minutes54 secondsarray object
13 minutes06 secondsstring object
12 minutes05 secondsCode specifications
12 minutes35 seconds