JavaScript Programming Language

  1. Language Fundamentals
    1. Syntax and Statements
      1. Case Sensitivity
        1. Whitespace and Line Breaks
          1. Comments
            1. Single-Line Comments
              1. Multi-Line Comments
              2. Semicolons
                1. Automatic Semicolon Insertion
                  1. Best Practices
                  2. Statement Structure
                  3. Variables and Constants
                    1. Declaration Keywords
                      1. var Keyword
                        1. Function Scope
                          1. Hoisting Behavior
                            1. Use Cases
                            2. let Keyword
                              1. Block Scope
                                1. Temporal Dead Zone
                                2. const Keyword
                                  1. Immutable Bindings
                                    1. Use Cases
                                  2. Variable Naming Rules
                                    1. Allowed Characters
                                      1. Naming Conventions
                                      2. Hoisting
                                        1. Variable Hoisting
                                          1. Function Hoisting
                                        2. Data Types
                                          1. Primitive Types
                                            1. String Type
                                              1. String Literals
                                                1. String Methods
                                                2. Number Type
                                                  1. Integer Values
                                                    1. Floating Point Values
                                                      1. NaN Value
                                                        1. Infinity Value
                                                        2. BigInt Type
                                                          1. Boolean Type
                                                            1. Undefined Type
                                                              1. Null Type
                                                                1. Symbol Type
                                                                2. Object Type
                                                                  1. Object Literals
                                                                    1. Object Properties
                                                                    2. Type Coercion and Conversion
                                                                      1. Implicit Coercion
                                                                        1. Explicit Conversion
                                                                        2. typeof Operator
                                                                          1. Usage and Results
                                                                            1. Limitations

                                                                        Previous

                                                                        1. Introduction to JavaScript

                                                                        Go to top

                                                                        Next

                                                                        3. Operators