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Damn..... I've been learning and actively using React + Bootstrap over the last 8 months. I can barely answer any of these questions....probably the only one I can answer is fizz buzz.....

Is it just me but do you even need to know all of this to make an SPA? If I need to know something, I just go and figure it out.

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I can assure you that building things will teach you more than reading off a massive list of facts.

You definitely don't need to know all of this in order to be a good frontend developer. There's plenty of "core skill" that isn't really covered here, and that's probably what interviews should focus most on.

I really like this list because it exposes many of the "corners" of knowledge in frontend work. Many of the questions expose things that I don't know and would like to know, or questions where I only have a vague answer and would like a more confident answer.

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