All about the Null & Undefined in JavaScript! LESSON 6

This is Ola again! With a new amount of knowledge about JavaScript, so I hope you are tuned correctly :) Today I want to talk about quite specific data types in JS, which is Null & Undefined. What are those, what can we expect from them and how to use them correctly. Click it, watch it, enjoy! :)

#JavaScript #DataTypes #AllAboutTheNull&Undefined

[jjxmonster]

sliczna jestes ola, chętnie bym ci przekazał propsa :)

<Ola props={ this.myHeart } />

[warrenprezydent]

I think you should make an individual film about 'hosting'. For example, var works exactly as you said but let and cons variable Do Not work like this. Hosting is very important in JS :D. By the way, your English is so good and listening to you is a pleasure for me.

[adamkopec]

Warto dodać że:
undefined + "4";
"undefined4"