Those Curly Braces in JSX
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In JSX, { } is a placeholder waiting to be filled. You can put in many things, a number, a string, an object or even a function. What you can put inside is an Expression.
Since it’s an expression, it can go pretty crazy. In fact, there’s no limit of what you can put inside. As long as it’s an expression, it’ll fit....
Sometimes you can even put a JSX tag inside the { }, because JSX tags are Expressions too!
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