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Promise from entry to customization (front-end advancement)

Promise from entry to customization (front-end advancement)

Promise is the most important and difficult technology in ES6. Interviews with medium and large companies will ask about the implementation of front-end Promise. This video tutorial starts from the most basic callback/exception syntax, to the basic use of Promise; from technical analysis of Promise difficulties, to step-by-step handwritten Promise implementation, extended async and await in-depth analysis, macro queue and micro queue detailed explanation; and finally through Classic interview questions to test the effect of Promise learning. After passing the level, you will become a Promise senior engineer.

promise Advanced
42820 person learning
40 class hour
2022-10-28 update time
07 Hours44 minutes09 seconds Total course duration
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王林
Gold lecturer
180 Course
180343 student
5.4 score

有朋自远方来，虽远必诛！

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Course Introduction Course Outline Data Download Other Courses

You will learn

Promise is the most important and difficult technology in ES6. Interviews with medium and large companies will ask about the implementation of front-end Promise. This video tutorial starts from the most basic callback/exception syntax, to the basic use of Promise; from technical analysis of Promise difficulties, to step-by-step handwritten Promise implementation, extended async and await in-depth analysis, macro queue and micro queue detailed explanation; and finally through Classic interview questions to test the effect of Promise learning. After passing the level, you will become a Promise senior engineer.

Promise from entry to customization (front-end advancement)

Section1 Course Introduction
02 minutes37 seconds
Section2 Function objects and instance objects
11 minutes36 seconds
Section3 2 types of callback functions (synchronous and asynchronous)
09 minutes05 seconds
Section4 Common built-in errors
13 minutes03 seconds
Section5 Error handling (catch and throw)
12 minutes03 seconds
Chapter1 Preparation
Section1 Understanding Promise
09 minutes39 seconds
Section2 Promise status and status changes
04 minutes04 seconds
Section3 The basic running process of Promise
03 minutes13 seconds
Section4 Basic use of Promise
09 minutes03 seconds
Section5 Why use Promise?
23 minutes26 seconds
Section6 API description of Promise
11 minutes28 seconds
Section7 Promise API usage
09 minutes24 seconds
Section8 API usage of Promise-2
09 minutes50 seconds
Section9 Several key issues with Promise-1
08 minutes11 seconds
Section10 Several key issues with Promise-2
09 minutes51 seconds
Section11 Several key issues with Promise-3
18 minutes35 seconds
Section12 Several key issues with Promise-4
11 minutes25 seconds
Section13 Several key issues with Promise-5
17 minutes55 seconds
Chapter2 Understanding and using Promise
Section1 Custom Promise - Description
03 minutes22 seconds
Section2 Custom Promise_overall structure
12 minutes39 seconds
Section3 Custom Promise - Constructor Implementation-1
03 minutes11 seconds
Section4 Custom Promise - Constructor Implementation-2
11 minutes10 seconds
Section5 Custom Promise_constructor testing and improvement
21 minutes45 seconds
Section6 Custom Promise_then method implementation-1
19 minutes42 seconds
Section7 Custom Promise_then method implementation-2
07 minutes47 seconds
Section8 Custom Promise_then method implementation-3
19 minutes27 seconds
Section9 Custom Promise_then method testing and improvement
07 minutes27 seconds
Section10 Custom Promise_then method implementation (second pass)
24 minutes24 seconds
Section11 Customize the resolve and reject methods of Promise_Promise
21 minutes42 seconds
Section12 Customize the all method of Promise_Promise
19 minutes13 seconds
Section13 Promise's race method
06 minutes24 seconds
Section14 Improve all and race methods
04 minutes14 seconds
Section15 Promise's resolveDela and rejectDelay methods
09 minutes20 seconds
Section16 class version
07 minutes46 seconds
Chapter3 Custom (handwritten) Promise
Section1 async and await
26 minutes26 seconds
Chapter4 async and await
Section1 JS asynchronous macro queue and micro queue
17 minutes31 seconds
Chapter5 JS asynchronous macro queue and micro queue
Section1 Interview questions-1
03 minutes14 seconds
Section2 Interview questions-2
05 minutes56 seconds
Section3 Interview questions-3
08 minutes19 seconds
Section4 Interview questions-4
08 minutes42 seconds
Chapter6 Promise related interview questions

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