JavaScript Fundamentals Quiz Senior

JavaScript Fundamentals Quiz Senior

12th Grade

15 Qs

quiz-placeholder

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JavaScript Fundamentals Quiz Senior

JavaScript Fundamentals Quiz Senior

Assessment

Quiz

Computers

12th Grade

Practice Problem

Medium

Created by

Nixon López

Used 6+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of comments in JavaScript?

To execute code

To explain code (useful for developers)

To style the webpage

To create animations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which naming convention is commonly used for variables and functions in JavaScript?

PascalCase

CamelCase

kebab-case

snake_case

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the <noscript> tag

To create interactive elements

To display alternative content for users with disabled JavaScript

To add styling to the webpage

To include external scripts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between mutable and immutable variables in JavaScript?

Mutable variables can be changed, while immutable variables cannot

Mutable variables cannot be changed, while immutable variables can

There is no difference between mutable and immutable variables

Mutable variables are declared using const, while immutable variables use let

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the debugger keyword in JavaScript?

To print messages to the console

To execute code

To stop code execution at a specific point and open the browser's development tools

To create breakpoints in the code

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are reserved words in JavaScript?

Words that are reserved for future use in JavaScript

Words that cannot be used as names for variables, functions, or other identifiers

Words that are used for comments in JavaScript

Words that are used for styling in JavaScript

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the console.log method do in JavaScript?

Stop code execution

Print messages to the browser's console

Create breakpoints in the code

Open the browser's development tools

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