You will often hear developers talking about frameworks and libraries like Angular or React. These two are commonly used in most companies and I might say one is better than another and maybe this can be important to consider if you want to start learning some of these frameworks in FE.

First of all, you need to know the fundamentals knowledge about JS (javascript) to start learning a new technology (library or framework), you can take the big step without the basic knowledge but that will be a trouble, I really recommend to study at least these concepts: