Learn JavaScript from Scratch JavaScript for Everyone - The 'This' Keyword

Learn JavaScript from Scratch JavaScript for Everyone - The 'This' Keyword

Assessment

Interactive Video

Computers

9th - 10th Grade

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the 'this' keyword in JavaScript, demonstrating its use in objects and functions. It covers creating objects with methods, using dynamic properties, and tracking function executions. The tutorial also introduces arrow functions and their unique handling of 'this'.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'this' keyword refer to in an object method?

The previous object

A random object

The object it belongs to

The global object

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a method in the context of an object?

A variable inside a function

A global variable

A function that is part of an object

A standalone function

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you dynamically include a variable in a string in JavaScript?

Using single quotes

Using double quotes

Using escape characters

Using template literals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you access a property of an object using 'this'?

this.propertyName

object.propertyName

propertyName.this

propertyName.object

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using 'this' in a function?

To refer to the function itself

To refer to the global object

To refer to a local variable

To refer to the object that owns the function

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you use 'this' in an arrow function?

It retains the value of 'this' from the enclosing context

It refers to the global object

It does not exist

It behaves the same as in regular functions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key difference between regular functions and arrow functions regarding 'this'?

There is no difference

Regular functions cannot use 'this'

Arrow functions do not have 'this'

Arrow functions have a different 'this' binding