Q
How do you create a function expression in JavaScript?

Answer & Solution

Answer: Option A
Solution:
A function expression is created with var myFunction = function() { };.
Related Questions on Average

How do you call a method named greet that belongs to an object person?

A). person(greet);

B). person.greet();

C). greet.person();

D). call person.greet();

How do you define a function that takes parameters?

A). function myFunction[] { }

B). function myFunction(parameters) { }

C). function myFunction{parameters}

D). function myFunction((parameters)) { }

How do you define an Immediately Invoked Function Expression (IIFE)?

A). function() { }();

B). (function() { })();

C). function() { }();

D). function() ( ) { }

Which statement correctly defines a function named sum that returns the sum of two parameters a and b?

A). function sum(a, b) { return a + b; }

B). function sum(a, b) { a + b; }

C). function sum(a, b) return a + b;

D). function sum(a, b) { return (a + b) }

What will be the output of the following code: function test() { return 'Hello'; } alert(test());?

A). undefined

B). test

C). Hello

D). error

How do you call a function named myFunction?

A). call myFunction()

B). myFunction()

C). call function myFunction()

D). myFunction(call)

What is the purpose of the return statement in a function?

A). To output a value to the console

B). To exit a function and return a value

C). To pass a value to another function

D). To loop through a function

What is the scope of a variable declared inside a function?

A). Global

B). Local to the function

C). Local to the script

D). It depends on the variable type

What is the correct syntax for defining a function in JavaScript?

A). function myFunction() { }

B). def myFunction() { }

C). func myFunction() { }

D). function: myFunction() { }

Which of the following is true about functions in JavaScript?

A). Functions cannot be nested

B). Functions can only have one parameter

C). Functions can be assigned to variables

D). Functions cannot return values