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

Answer & Solution

Answer: Option B
Solution:
An IIFE is defined using (function() { })();.
Related Questions on Average

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

How can you assign a function to a variable?

A). var myFunc = function() { };

B). var myFunc = function { };

C). var myFunc function() { };

D). var function myFunc() { };

Which keyword is used to declare a function in JavaScript?

A). func

B). function

C). def

D). declare

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

A). function myFunction() { }

B). def myFunction() { }

C). func myFunction() { }

D). function: myFunction() { }

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

A). undefined

B). test

C). Hello

D). error

How can you return a value from a function?

A). return value;

B). give value;

C). send value;

D). output value;

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 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 a method in JavaScript?

A). A function stored as a property of an object

B). A variable declared within a function

C). A keyword used to define a function

D). A loop within a function

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();