How do you convert arguments to a real array?
Use Array.from(arguments) or the spread operator [...arguments]. Then you can call map, filter, reduce, and other array methods on it.
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More FAQs in JavaScript Arguments Object and Parameters Explained
Parameters are variables listed in the function definition. Arguments are the actual values passed to the function when it is called.
An array-like object available inside regular (non-arrow) functions. It holds the actual arguments passed, indexed by position, with a length property, but no array methods.
No. Arrow functions do not have their own arguments. If you reference arguments inside an arrow, it refers to the arguments of the enclosing regular function. Use rest parameters (...args) in arrows instead.
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