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

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();

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;

Which keyword is used to declare a function in JavaScript?

A). func

B). function

C). def

D). declare

How can you define a function as a property of an object?

A). object.function = function() { };

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

C). object: function() { };

D). object = { func: 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) }

Which of the following is an example of an arrow function?

A). function => { }

B). () => { }

C). arrow function() { }

D). => 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 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

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

A). function myFunction() { }

B). def myFunction() { }

C). func myFunction() { }

D). function: myFunction() { }