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JavaScript functions and closures

The three most important core technologies in JavaScript are: functions, objects and closures. It can be seen that functions always occupy the core position and are first-class citizens in JavaScript. It can be said that everything in JavaScript comes from functions. .

Intermediate

javascript

32478 person learning

32 class hour

08 hours 06 minutes 01 seconds Total course duration

2022-04-21update

PHPz

Gold lecturer

A total of 72 coursesStudent45551 Lecturer rating5.0

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Course Introduction Course Outline Other Courses

You will learn：

Describe in detail the definition, parameters and calling methods of JavaScript functions Detailed explanation of JavaScript variable object scope chain and closure

JavaScript functions and closures

Chapter1 Describe the definition and parameters of functions in detail
expand retract

Section1 Analysis of the roles that JS objects can play
duration： 21 minutes 41 seconds

Section2 Use functions to realize all functions of objects (1)
duration： 10 minutes 13 seconds

Section3 Use functions to realize all functions of objects (2)
duration： 10 minutes 27 seconds

Section4 Do you really understand callback functions (1)
duration： 14 minutes 23 seconds

Section5 Do you really understand callback functions (2)
duration： 09 minutes 45 seconds

Section6 The fun of using functions as objects
duration： 04 minutes 48 seconds

Section7 Function attribute case_Create a collection of callback functions
duration： 15 minutes 02 seconds

Section8 Function attribute case_automatic caching of operation results
duration： 10 minutes 24 seconds

Section9 Function definition_declaration_expression_self-execution (1)
duration： 10 minutes 07 seconds

Section10 Function definition_declaration_expression_self-execution (2)
duration： 18 minutes 56 seconds

Section11 Fun and interesting arrow functions (1)
duration： 11 minutes 16 seconds

Section12 Fun and interesting arrow functions (2)
duration： 14 minutes 01 seconds

Section13 The other side of formal and actual parameters that is unknown
duration： 19 minutes 55 seconds

Section14 The remaining parameters that emerged out of nowhere (1)
duration： 13 minutes 18 seconds

Section15 The remaining parameters that emerged out of nowhere (2)
duration： 13 minutes 14 seconds

Section16 Finally solved the default parameter problem
duration： 15 minutes 34 seconds
Chapter2 Describe in detail how to call functions
expand retract

Section1 The difference and connection between hidden parameters arguments and remaining parameters
duration： 27 minutes 56 seconds

Section2 Quick preview of four commonly used function calling methods
duration： 16 minutes 08 seconds

Section3 this when calling a function as a function
duration： 11 minutes 41 seconds

Section4 The process of calling a function as an object method
duration： 08 minutes 45 seconds

Section5 Analysis of the complete process of calling an object as an object constructor (1)
duration： 19 minutes 47 seconds

Section6 Analysis of the complete process of calling an object as an object constructor (2)
duration： 15 minutes 07 seconds

Section7 Analysis of call() and apply() functions and usage scenarios
duration： 17 minutes 46 seconds
Chapter3 Describe variable object scope chain and closure in detail
expand retract

Section1 What are the common data structures in JavaScript?
duration： 22 minutes 48 seconds

Section2 Memory management in JavaScript
duration： 21 minutes 08 seconds

Section3 Memory management and release in JavaScript
duration： 09 minutes 14 seconds

Section4 Detailed description of execution context (1)
duration： 17 minutes 09 seconds

Section5 Detailed description of execution context (2)
duration： 10 minutes 59 seconds

Section6 Detailed description of variable objects
duration： 11 minutes 31 seconds

Section7 Basic concepts of scope
duration： 23 minutes 44 seconds

Section8 What is scope chain?
duration： 17 minutes 08 seconds

Section9 An introduction to the basics of closures
duration： 22 minutes 06 seconds

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