Which code segment correctly defines a function in JavaScript?

In JavaScript, functions are defined using the function keyword followed by the name of the function, a set of parentheses (), and a block of code enclosed in curly braces {}.

Function Definition Syntax:

Correct Syntax:

function addNumbers(a, b) {

// function body

}

Explanation:

function: Keyword to define a function.

addNumbers: Name of the function.

(a, b): Parameters for the function.

{ ... }: Function body containing the code to be executed.

Incorrect Options:

A. Void addNumbers(a, b): JavaScript does not use void to define functions.

C. Void addNumber(int a, int b): JavaScript does not use void or type declarations (int).

D. Function addNumber (in a, int b): JavaScript functions do not use type declarations.

References:

MDN Web Docs - Functions

W3Schools - JavaScript Functions