There are pros and cons in using frameworks and they do seem to make your life easier. However, learning the core of everything; although requires a little time, helps in knowing what's going on.
In terms of web, I do believe in 3-4 years frameworks might not be needed. All that abstraction will go away as HTML and JS standardize and add more features and abstract the complexities for a developer. There will be a time when SPAs will be built using only standard HTML, CSS and JS. You won't need to manipulate the DOM using jQuery, you won't need a framework to manage page history, you won't need redux to manage a store, you won't need a rxjs to manage real time communication with the client, you won't need react to bind objects with your HTML elements. That's when this article will seem more valid.
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There are pros and cons in using frameworks and they do seem to make your life easier. However, learning the core of everything; although requires a little time, helps in knowing what's going on.
In terms of web, I do believe in 3-4 years frameworks might not be needed. All that abstraction will go away as HTML and JS standardize and add more features and abstract the complexities for a developer. There will be a time when SPAs will be built using only standard HTML, CSS and JS. You won't need to manipulate the DOM using jQuery, you won't need a framework to manage page history, you won't need redux to manage a store, you won't need a rxjs to manage real time communication with the client, you won't need react to bind objects with your HTML elements. That's when this article will seem more valid.