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Promise from entry to customization (front-end advancement)

• Chapter1 Preparation
• 1-1 Course Introduction
• 1-2 Function objects and instance objects
• 1-3 2 types of callback functions (synchronous and asynchronous)
• 1-4 Common built-in errors
• 1-5 Error handling (catch and throw)
• Chapter2 Understanding and using Promise
• 2-1 Understanding Promise
• 2-2 Promise status and status changes
• 2-3 The basic running process of Promise
• 2-4 Basic use of Promise
• 2-5 Why use Promise?
• 2-6 API description of Promise
• 2-7 Promise API usage
• 2-8 API usage of Promise-2
• 2-9 Several key issues with Promise-1
• 2-10 Several key issues with Promise-2
• 2-11 Several key issues with Promise-3
• 2-12 Several key issues with Promise-4
• 2-13 Several key issues with Promise-5
• Chapter3 Custom (handwritten) Promise
• 3-1 Custom Promise - Description
• 3-2 Custom Promise_overall structure
• 3-3 Custom Promise - Constructor Implementation-1
• 3-4 Custom Promise - Constructor Implementation-2
• 3-5 Custom Promise_constructor testing and improvement
• 3-6 Custom Promise_then method implementation-1
• 3-7 Custom Promise_then method implementation-2
• 3-8 Custom Promise_then method implementation-3
• 3-9 Custom Promise_then method testing and improvement
• 3-10 Custom Promise_then method implementation (second pass)
• 3-11 Customize the resolve and reject methods of Promise_Promise
• 3-12 Customize the all method of Promise_Promise
• 3-13 Promise's race method
• 3-14 Improve all and race methods
• 3-15 Promise's resolveDela and rejectDelay methods
• 3-16 class version
• Chapter4 async and await
• 4-1 async and await
• Chapter5 JS asynchronous macro queue and micro queue
• 5-1 JS asynchronous macro queue and micro queue
• Chapter6 Promise related interview questions
• 6-1 Interview questions-1
• 6-2 Interview questions-2
• 6-3 Interview questions-3
• 6-4 Interview questions-4