Basics of JavaScript - free course from Hexlet, training 50 hours, Date: December 1, 2023.

1. Introduction
Get to know the course
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2. Hello, World!
Write your first program
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3. Instructions
Learn the basics of building programs in JavaScript
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4. Arithmetic operations
Let's translate arithmetic operations into a programming language
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5. Design errors (syntax and linter)
Study types of errors and ways to solve them
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6. Strings
Learn to work with strings
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7. Variables
Learn to store information and reuse existing data
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8. Expressions in definitions
Learn to simplify code, use variables
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9. Naming
Let's learn how to name variables correctly
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10. Interpolation
Learn another way to work with strings in JavaScript
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11. Extracting characters from a string
Learn to get values ​​from strings
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12. Data types
Let's multiply a number by a string, get acquainted with data types
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13. Immutability and primitive types
Find out if JavaScript can convert strings or numbers
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14. Functions and their calls
Learn to use ready-made functions
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15. Function signature
Learn how a function takes and returns values
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16. Function call - expression
Learn to use the results of functions
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17. Functions with a variable number of parameters
Explore advanced features
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18. Determinism
Study some properties of functions and features of their operation
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19. Standard Library
Let's get acquainted with the standard library
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20. Properties and Methods
Learn to use data attributes built into JavaScript.
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21. Chain of calls
Learn to chain methods
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22. Defining Functions
Learn to create functions
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23. Returning values
Learn to use the result of a function
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24. Function Parameters
Learn to pass data to a function
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25. Optional Function Parameters
Set default values
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26. Simplified function syntax
Learn to write concise code
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27. Logics
Learn what a logical type is and how to use logical operations
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28. Logical operators
Learning to write compound conditions
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29. Result of logical operations
Deeper about logical operations
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30. Conditionals
Learn to set program behavior depending on different conditions
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31. Ternary operator
Learn to write concise code for conditions
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32. Switch design
Learn a special version of if for multiple conditions
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33. while loop
Learn to write programs to perform repetitive actions
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34. Data Aggregation
Get acquainted with a separate class of problems where loops are used
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35. Looping through strings
Learn to process and collect strings in a loop
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36. Conditions inside the loop body
Learn to control the behavior of a program in a loop
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37. Increment and decrement
Get to know unary operations
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38. for loop
Let's learn another loop in JavaScript
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39. Modules
Let's get acquainted with modules - a way of dividing programs into component parts and reusing parts.
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40. Additional materials
Articles and videos curated by the Hexlet team. Will help you dive deeper into the topic of the course