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Volodymyr Hudyma
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Table Of Contents(Articles: 105)

Async/Await In JavaScript

May 16, 2020

These keywords act as a syntactic sugar built on top of Promises, making asynchronous code look and feel like synchronous, therefore easier to produce and maintain. Async function - it is a function, declared using...Read more


Promises In JavaScript

May 14, 2020

Promise - it is an object that produces some value in the future. This object represents the result of an asynchronous operation. Promise has 3 states...Read more


Capturing Groups In Regular Expressions

May 12, 2020

What if we don't only need to check if the given string contains the specific pattern, but get the part of a match? You can easily do so by using so-called capturing groups...Read more


Regular Expressions In JavaScript

May 10, 2020

Regular expression is a sequence of characters that define a search pattern that is used to find occurrences in text and/or replace them. There are 2 ways of defining regex in JavaScript...Read more


JavaScript Built-In Array Methods

May 05, 2020

In this article, we are going to explore all built-in array methods that are available for use by default. We'll start with the most used ones...Read more


Arrays In JavaScript

May 04, 2020

Array in JavaScript is an ordered collection of values where each value has its own position, known as an index. In an array index of the first element is 0, index of the second element is 1, and so on. The difference between arrays and objects is...Read more


Objects In JavaScript

May 02, 2020

Everything in JavaScript, except "Primitives" are "Objects", that's why it's the most important part of the language. Understanding objects is essential in order to become professional. Objects are collections of properties, defined as key-value pairs...Read more


Call, Apply And Bind In JavaScript

May 02, 2020

"Call", "apply" and "bind" are all methods within the function prototype, basically doing the same thing: allow us to call a function with given "this" context and arguments, but in different ways. Let's see how to use them...Read more


Understanding "this" In JavaScript

May 02, 2020

"This" is a special object in JavaScript that refers to an object it belongs to, its value is decided at the moment of code execution. How do you know what "this" refers to? It's simple, take a look at the following rules...Read more

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