Can a JavaScript function return two values?

Can a function return 2 values?

No, you can not have two returns in a function, the first return will exit the function you will need to create an object.

How do you return two variables in a function?

When this need occurs, you usually have two options:

  1. Create a class which has the types you want to return, and then return an instance of that class. …
  2. Add a reference type object as a parameter to the method which the method will mutate with the values you want to return.

Can JavaScript function return different types?

it is very common that one function return different types of object in javascript, just write it, invoke it and determine the type of return value. Although inconsistent return behavior described above is discouraged, returning different object types is common, although I can’t say if it is idiomatic.

Can I return 2 variables?

4 Answers. You cannot explicitly return two variables from a single function, but there are various ways you could concatenate the two variables in order to return them.

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Can a function return multiple values justify giving example?

A function is not restricted to return a variable, it can return zero, one, two or more values. This is the default property of python to return multiple values/variables which is not available in many other programming languages like C++ or Java.

When a function is invoked how many values can be returned from the function?

A function can only return a single value.

How many variables can a method return?

You can return only one value in Java. If needed you can return multiple values using array or an object.

How do I return multiple variables from a function?

You can return multiple values by bundling those values into a dictionary, tuple, or a list. These data types let you store multiple similar values. You can extract individual values from them in your main program. Or, you can pass multiple values and separate them with commas.

Is it true that a function may have several declaration but only one definition?

5. Is it true that a function may have several declarations, but only one definition? Explanation: Yes, but the function declarations must be identical.

Do you always have to return something from a function?

NO, a function does not always have to have an explicit return statement. If the function doesn’t need to provide any results to the calling point, then the return is not needed.

What is difference between VAR and let in JavaScript?

var and let are both used for variable declaration in javascript but the difference between them is that var is function scoped and let is block scoped. It can be said that a variable declared with var is defined throughout the program as compared to let.

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What is [] in TypeScript?

TypeScript, like JavaScript, allows you to work with arrays of values. Array types can be written in one of two ways. In the first, you use the type of the elements followed by [] to denote an array of that element type: let list : number[] = [1, 2, 3];

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