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Alex G.10,329 Points
Why not just add Div to HTML?
Why is this better than just creating the elements in HTML? If we know we want this functionality, isn't it better to have it in the HTML structure? Isn't that better web accessibility? Wouldn't it make the JS file easier to read/smaller as well?
Steven Parker220,425 Points
It's much easier to learn these in a simple environment, even if it's not the most practical application of them, than in a complex project where they might be seriously needed.