JSON If you have not had any previous contact with JSON (JavaSCript Object Notation), it is inspired by Object Literals from JavaScript. Although they look similar, it is often a mistake to thi...
Bartosz Łogwiniuk
May. 17th
JavaScript for beginners
It is time to change the subject a bit. Objects When functions and objects are completely different in other languages, they are very similar in JavaScript. As I mentioned in one of the prev...
May. 14th
In this part I would like to raise a topic that can be one of the strangest concepts in JavaScript. Coercion By this concept we mean converting a value from one type to another. As it was sai...
May. 7th
Types in JavaScript The way in which the JavaScript engine deals with types is called Dynamic Typing. It is based on the fact that there is no need to provide information about the type of vari...
Apr. 30th
Scope Chain At the beginning I would like to talk about a similar case as we had in the last part. Look at the script above. The difference between this and the one from the previous part i...
Apr. 26th
When we talk about JavaScript and how it works under the hood we can't forget about Variable Environments. It's related to the Function Execution Context too. Variable Environments There were...
Apr. 23rd
In this post, I want to discuss one of the most important topics, which in a way is connected with the issue from the previous part. However, before we get to it, I want to explain quickly what In...
Apr. 19th
Metaprogramming, the art of messing with the internals of a programming language, is one of the most powerful learning tools an aspiring programmer can utilize. It's very easy to take the workings ...
Paweł Bartulewicz
Apr. 18th
metaprogramming attribute accessors
This part will be the shortest of all, but before the next posts, I would like to discuss these two concepts. Although the explanations provided here will be useful in subsequent posts, I think th...
Apr. 16th
Execution Context: (Code) Execution Phase As you recall from the previous part, I mentioned that there are two phases that take place in the Execution Context. The first is Creation Phase, the ...
Apr. 12th