Modern JavaScript from the Beginning - Second Edition - Static Methods

Modern JavaScript from the Beginning - Second Edition - Static Methods

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the difference between regular and static methods in programming. Regular methods require an instance of a class to be called, as they use instance-specific data. Static methods, however, can be called directly on the class without needing an instance. The tutorial provides examples, such as calculating an area using regular methods and retrieving class names using static methods. It also discusses the practical use of static methods in UI classes, where only one instance is needed. The tutorial concludes with a demonstration of implementing static methods.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required to call a regular method that uses properties like height and width?

A static method

An instance of the class

A function call

A global variable

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about static methods?

They require an instance to be called

They can be called directly on the class

They cannot return static data

They are only used for UI classes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might you use a static method in a UI class?

To handle network requests

To store user data

To add and remove elements from the DOM

To manage multiple UI instances

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What keyword is used to define a static method?

static

class

method

instance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you try to call a static method on an instance?

It logs a warning

It works as expected

It returns undefined

It throws an error