Node.js Runtime Environment

  1. Asynchronous Programming in Node.js
    1. The Callback Pattern
      1. Structure of Callbacks
        1. Callback Hell
          1. Problems with Nested Callbacks
            1. Solutions and Alternatives
            2. Error-First Callback Convention
              1. Handling Errors in Callbacks
                1. Best Practices
              2. Promises
                1. Promise States
                  1. Pending
                    1. Fulfilled
                      1. Rejected
                      2. Creating Promises
                        1. Using Promises
                          1. Chaining with then
                            1. Error Handling with catch
                              1. The finally Method
                                1. Utility Methods
                                  1. Promise.all
                                    1. Promise.race
                                      1. Promise.allSettled
                                        1. Promise.any
                                      2. Async/Await
                                        1. The async Function Keyword
                                          1. The await Operator
                                            1. Error Handling with try-catch
                                              1. Combining Async/Await with Promises
                                                1. Sequential vs Parallel Execution
                                                  1. Top-Level Await

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                                                5. NPM Package Manager

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                                                7. Core Node.js Modules