DEV Community

Alex Devero profile picture

Alex Devero

I am founder/CEO of DEVERO Corporation. Entrepreneur, developer, programmer, hacker, designer and blogger from Czechia.

Location Prague, CZE Joined Joined on  github website twitter website

Education

self-taught

Work

CEO, software engineer at Devero

How to Create File Dropzone in React and TypeScript

How to Create File Dropzone in React and TypeScript

Reactions 16 Comments
9 min read
Introduction to Currying in JavaScript

Introduction to Currying in JavaScript

Reactions 163 Comments 17
5 min read
Memoization in React: A Simple Introduction

Memoization in React: A Simple Introduction

Reactions 115 Comments
9 min read
3 Ways to Build React Forms with Formik Pt.3

3 Ways to Build React Forms with Formik Pt.3

Reactions 8 Comments
8 min read
3 Ways to Build React Forms with Formik Pt.2

3 Ways to Build React Forms with Formik Pt.2

Reactions 17 Comments
8 min read
3 Ways to Build React Forms with Formik Pt.1

3 Ways to Build React Forms with Formik Pt.1

Reactions 58 Comments
8 min read
How to Create Custom Form Validation in React with Yup

How to Create Custom Form Validation in React with Yup

Reactions 28 Comments 2
10 min read
Class Static Initialization Blocks in JavaScript

Class Static Initialization Blocks in JavaScript

Reactions 31 Comments 5
6 min read
7 Practices to Create Good JavaScript Variables

7 Practices to Create Good JavaScript Variables

Reactions 89 Comments 1
7 min read
4 Important Differences Between Regular And Arrow Functions

4 Important Differences Between Regular And Arrow Functions

Reactions 230 Comments 13
7 min read
Function Parameters and Arguments in JavaScript

Function Parameters and Arguments in JavaScript

Reactions 3 Comments
9 min read
Introduction to Object Types in TypeScript Pt2

Introduction to Object Types in TypeScript Pt2

Reactions 5 Comments
7 min read
Introduction to Object Types in TypeScript

Introduction to Object Types in TypeScript

Reactions 62 Comments 3
8 min read
Getting Started with React useContext Hook and React Context

Getting Started with React useContext Hook and React Context

Reactions 43 Comments 2
8 min read
Functions in TypeScript: A Simple Introduction

Functions in TypeScript: A Simple Introduction

Reactions 22 Comments
8 min read
TypeScript Interfaces: A Quick Guide to Help You Get Started

TypeScript Interfaces: A Quick Guide to Help You Get Started

Reactions 41 Comments
9 min read
Getting Started With Built-in Utility Types in TypeScript Part 2

Getting Started With Built-in Utility Types in TypeScript Part 2

Reactions 7 Comments
6 min read
Getting Started With TypeScript Built-in Utility Types Part 1

Getting Started With TypeScript Built-in Utility Types Part 1

Reactions 10 Comments
8 min read
How to Use Dynamic Imports in JavaScript

How to Use Dynamic Imports in JavaScript

Reactions 9 Comments
7 min read
How to Create Your Own React Custom Hooks

How to Create Your Own React Custom Hooks

Reactions 79 Comments
8 min read
How Truthy and Falsy Values in JavaScript Work

How Truthy and Falsy Values in JavaScript Work

Reactions 71 Comments 4
7 min read
The React useMemo Hook Made Simple

The React useMemo Hook Made Simple

Reactions 67 Comments 1
7 min read
An Introduction to React useReducer Hook

An Introduction to React useReducer Hook

Reactions 53 Comments 1
7 min read
A Quick Guide to React useCallback Hook

A Quick Guide to React useCallback Hook

Reactions 98 Comments 7
7 min read
Reacts useRef Hook: What It Is and How to Use It

Reacts useRef Hook: What It Is and How to Use It

Reactions 68 Comments 4
6 min read
React useEffect Hook Made Simple

React useEffect Hook Made Simple

Reactions 76 Comments 2
8 min read
React useState Hook in Action: What You Need to Know

React useState Hook in Action: What You Need to Know

Reactions 33 Comments
7 min read
JavaScript Generator Functions Made Simple

JavaScript Generator Functions Made Simple

Reactions 41 Comments 2
10 min read
Variable Scope, Lexical Scope and Code Blocks in JavaScript

Variable Scope, Lexical Scope and Code Blocks in JavaScript

Reactions 7 Comments
7 min read
Getting Started With JavaScript Constructor Functions

Getting Started With JavaScript Constructor Functions

Reactions 123 Comments 4
8 min read
Primitive Values, Objects and References in JavaScript Made Simple

Primitive Values, Objects and References in JavaScript Made Simple

Reactions 10 Comments
8 min read
How to Freeze an Object in JavaScript: Object.freeze(), Object.seal() & More

How to Freeze an Object in JavaScript: Object.freeze(), Object.seal() & More

Reactions 73 Comments 2
8 min read
7 JavaScript ES2017 Features to Learn

7 JavaScript ES2017 Features to Learn

Reactions 147 Comments 6
9 min read
4 JavaScript ES2018 Features You Should Know

4 JavaScript ES2018 Features You Should Know

Reactions 71 Comments 2
7 min read
8 Useful JavaScript ES2019 Features to Know About

8 Useful JavaScript ES2019 Features to Know About

Reactions 193 Comments 6
7 min read
7 JavaScript ES2020 Features You Should Try

7 JavaScript ES2020 Features You Should Try

Reactions 175 Comments 10
9 min read
Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for

Upcoming Interesting JavaScript ES2021 (ES12) Features to Look for

Reactions 117 Comments 4
8 min read
A Quick Guide to Get Started with JavaScript Classes

A Quick Guide to Get Started with JavaScript Classes

Reactions 127 Comments 5
10 min read
undefined and null in JavaScript Explained

undefined and null in JavaScript Explained

Reactions 12 Comments 2
8 min read
How to Access Object Properties in JavaScript in Three Ways

How to Access Object Properties in JavaScript in Three Ways

Reactions 44 Comments
9 min read
What Method Chaining in JavaScript Is, How It Works and How to Use It

What Method Chaining in JavaScript Is, How It Works and How to Use It

Reactions 63 Comments 7
9 min read
Six Ways to Create Objects in JavaScript

Six Ways to Create Objects in JavaScript

Reactions 120 Comments 5
10 min read
How to Access Object Keys, Values and Entries in JavaScript

How to Access Object Keys, Values and Entries in JavaScript

Reactions 22 Comments 2
7 min read
An Overview of JavaScript Object Property Flags and Descriptors

An Overview of JavaScript Object Property Flags and Descriptors

Reactions 14 Comments 5
9 min read
The JavaScript Event Loop Explained

The JavaScript Event Loop Explained

Reactions 149 Comments 2
6 min read
A Quick Guide To this Keyword In JavaScript: What this Is And When

A Quick Guide To this Keyword In JavaScript: What this Is And When

Reactions 46 Comments 2
11 min read
Temporal Dead Zone in JavaScript Explained (TDZ)

Temporal Dead Zone in JavaScript Explained (TDZ)

Reactions 26 Comments 2
8 min read
What is Currying In JavaScript Is and How to Use It

What is Currying In JavaScript Is and How to Use It

Reactions 51 Comments 10
7 min read
Introduction to Recursion in JavaScript: How It Works and How to Use It

Introduction to Recursion in JavaScript: How It Works and How to Use It

Reactions 21 Comments
10 min read
How to Write Asynchronous JavaScript Code in Three Ways

How to Write Asynchronous JavaScript Code in Three Ways

Reactions 99 Comments 2
9 min read
Introduction to JavaScript Property Getters and Setters (Accessor Properties)

Introduction to JavaScript Property Getters and Setters (Accessor Properties)

Reactions 48 Comments 2
9 min read
Memory Life cycle, Heap, Stack and Call Stack in JavaScript

Memory Life cycle, Heap, Stack and Call Stack in JavaScript

Reactions 468 Comments 14
8 min read
Import and Export Statements in JavaScript and How to Use Them

Import and Export Statements in JavaScript and How to Use Them

Reactions 59 Comments 2
11 min read
What Garbage Collection in JavaScript Is and How It Works

What Garbage Collection in JavaScript Is and How It Works

Reactions 132 Comments 6
7 min read
WeakMap in JavaScript - An Easy Introduction

WeakMap in JavaScript - An Easy Introduction

Reactions 95 Comments 7
7 min read
What WeakSet in JavaScript is and How It Works

What WeakSet in JavaScript is and How It Works

Reactions 42 Comments 3
8 min read
Optional Chaining in JavaScript and How It Works

Optional Chaining in JavaScript and How It Works

Reactions 13 Comments 5
7 min read
Private Class Fields and Methods in JavaScript Classes

Private Class Fields and Methods in JavaScript Classes

Reactions 5 Comments
7 min read
What Javascript Spread Operator is, How It Works and How to Use It

What Javascript Spread Operator is, How It Works and How to Use It

Reactions 78 Comments 16
9 min read
Getting Started With the JavaScript Fetch API

Getting Started With the JavaScript Fetch API

Reactions 94 Comments 2
11 min read
loading...