Keyword Analysis & Research: return multiple values js


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Frequently Asked Questions

How to return multiple values from a function?

To return multiple values from a function, you can pack the return values as elements of an array or as properties of an object. Suppose the following getNames () function retrieves the first name and last name from a database in the backend or from the result of a third-party API call and returns them as elements of an array:

Is it possible to return two integers in JavaScript?

I'm not familiar with Javascript, but if there's some sort of array or structure that can be used, then that'd be ideal. If the two integers you're returning are prime numbers, you can return their product. :P Makoto's comment is a very good one. Python can only return one value as well.

Is it possible to return an object containing both values?

You can return an object containing both values — there's nothing wrong with that. Another strategy is to keep the value, via closures, instead of passing it through:

Is it possible to return two integers as a product?

If the two integers you're returning are prime numbers, you can return their product. Makoto's comment is a very good one. Python can only return one value as well. JavaScript doesn't have a tuple-type so Objects (e.g. dict) or Arrays (e.g. list) can be used as a replacement.


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