Lessons by tag «Node js»
We found 34 lessons lessons about the «Node js» in the Hexlet catalog. These lessons on «Node js» are available in the following courses: JS: Setting up the environment, JS: Asynchronous programming, JS: Advanced Testing.
Learn the features of JavaScript as a programming language, introduce ECMAScript
Learn to create projects and packages in the JS ecosystem. Introduce the concept of dependencies
Introduce the concept of dependencies and learn how to use them
Learn to install and run JavaScript programs
To learn the concept of "development environment". Learn the different types of dependencies
Install the interpreter and learn to use the REPL
Learn about the course, its structure, objectives, and goals
Learn how to manage the flow of asynchronous operations
Learn the most modern way to write asynchronous code as synchronous
Learn the convenient way to organize the process of executing asynchronous code
Learn how to flatten promises into flat code
Learn to write asynchronous functions and work with the result of their work
Learn about proper error handling in asynchronous code
Learn how asynchronous code works
Learn how to properly handle errors in chains
Learn how to use asynchrony in applied tasks (using the axios HTTP client as an example)
Learn the principles of the simultaneous launch of asynchronous operations and control of their result
Learn how to create promises from callbacks
Learn to eliminate side effects with polymorphism