Javascript Function Quiz

Javascript Function Quiz

Professional Development

11 Qs

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Javascript Function Quiz

Javascript Function Quiz

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Frank Gwada

Used 6+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is abstraction in the context of JavaScript functions?

It is a process of hiding the implementation details and showing only the functionality
It is a process of creating new data types
It is a process of converting one data type to another
It is a process of creating multiple copies of a function

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you invoke a function, which of the following is true about generalization?

Generalization is the process of invoking a function
Generalization is the process of making something more general
Generalization is the process of defining a function

The function can accept multiple arguments and provide more generalized functionality.s

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a JavaScript function typically return if there is no explicit return statement?

undefined

null

The value of the last executed statement inside the function.

An error.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is hoisting with respect to JavaScript functions?

Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their containing scope before code execution.
Hoisting is a JavaScript mechanism for changing the scope of a variable.
Hoisting is a JavaScript mechanism for declaring variables only.
Hoisting is a JavaScript mechanism for executing functions before they are declared.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a function expression?

function myFunction() {}
myFunction() {}

const myFunction = function() {}

myFunction: function() {}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an anonymous function in JavaScript?

A function with no name
A function that is not declared
A function that returns null
A function that cannot be called

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an Immediately Invoked Function Expression (IIFE) do?

It allows to run a function as soon as it is defined
It allows to delay the execution of a function
It allows to repeat the execution of a function
It allows to stop the execution of a function

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