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Bartosz Szczeciński
Bartosz Szczeciński

3.5K Followers

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Oct 10, 2018

A React job interview — recruiter perspective.

Important This article is not a list of questions to expect on an interview and complete answers to them. The point of this post is to show what questions I ask, what I’m looking for in an answer and why there are no bad answers. …

JavaScript

10 min read

A React job interview — recruiter perspective.
A React job interview — recruiter perspective.
JavaScript

10 min read


Sep 23, 2018

Understanding frontend — security

The topic of security on the frontend part can be separated into two purposes: keeping your client and their data secure keeping your clients away from things they should not have access to The first part is a very vast topic that covers things like cross-site-scripting (XSS), cross-site-request-forgery (CSRF), CORS…

JavaScript

4 min read

Understanding frontend — security
Understanding frontend — security
JavaScript

4 min read


Sep 1, 2018

What’s Server Side Rendering and do I need it?

Introduction of modern JavaScript frameworks / libraries that focus on creating interactive websites or Single Page Applications the way that pages are displayed to a visitor has changed a lot. Before the advent of applications fully generated by JS, in the browser, HTML was returned in response to the HTTP…

React

7 min read

React

7 min read


Apr 19, 2018

Understanding React — React 16.3 + Component life-cycle

The release of 16.3 introduced some new life-cycle functions, which replace existing ones to provide better support for the new asynchronous nature of React. This article is an update on the previous one, which talked about the “old” lifecycle, thus it’s not going to focus on all of the lifecycles…

React

2 min read

Understanding React — React 16.3 + Component life-cycle
Understanding React — React 16.3 + Component life-cycle
React

2 min read


Mar 7, 2018

Understanding React “Suspense”

At the stage of last JSConf.is conference, Dan Abramov unveiled a new feature / API for React called React Suspense. In case you missed it, you can re-watch the talk on YouTube: In short: the new feature allows you to defer rendering part of your application tree until some…

JavaScript

6 min read

Understanding React “Suspense”
Understanding React “Suspense”
JavaScript

6 min read


Feb 4, 2018

What’s new in React 16.3(.0-alpha)

React 16.3-alpha just hit npmjs and can be downloaded and added to your project. What are the biggest, most interesting changes? Update 05.02.2018 — I’ve previously made some wrong observation about the createContext behavior, this section was updated to reflect the actual behavior of the factory function. New context API Context API was…

React

6 min read

What’s new in React 16.3(.0-alpha)
What’s new in React 16.3(.0-alpha)
React

6 min read


Jan 27, 2018

Understanding CORS

If you ever worked with an AJAX call, you are probably familiar with the following error displayed in browser console:

JavaScript

5 min read

Understanding CORS
Understanding CORS
JavaScript

5 min read


Sep 6, 2017

Understanding React — Component life-cycle

React provides developers with many methods or “hooks” that are called during the life-cycle of an component, which allows us to update the UI and application state. Knowing when to use which of them is crucial to properly understanding how to work with React. Update: React 16.3 introduced two more life-cycle…

JavaScript

8 min read

Understanding React — Component life-cycle
Understanding React — Component life-cycle
JavaScript

8 min read


Aug 23, 2017

Understanding ReactJS — data hydration / initialization

At times you might want to have some information available to your application from outside sources — maybe you’re embedding your application in some bigger website and want to access data that is already present (for example data of authorized user). Passing data to the application at run time is…

JavaScript

4 min read

JavaScript

4 min read


Jul 10, 2017

Intro to debugging ReactJS applications

One of the most important things a developer should learn is how to (properly) debug an application in his language of choice. …

JavaScript

9 min read

Intro to debugging ReactJS applications
Intro to debugging ReactJS applications
JavaScript

9 min read

Bartosz Szczeciński

Bartosz Szczeciński

3.5K Followers
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