Modern JavaScript from the Beginning - Second Edition - Comments and Shortcuts

Modern JavaScript from the Beginning - Second Edition - Comments and Shortcuts

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial covers the importance of commenting in code, particularly in JavaScript, and provides a comprehensive guide on using both single-line and multi-line comments. It also introduces various keyboard shortcuts in VS Code to enhance coding efficiency, including navigation, selection, and editing techniques. The tutorial emphasizes the practical application of these shortcuts to improve workflow and encourages gradual learning of these tools.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are comments crucial when working on a team project?

They make the code run faster.

They are used to compile the code.

They are necessary for code execution.

They help in explaining the code to other developers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct way to write a single-line comment in JavaScript?

# This is a comment

// This is a comment

/* This is a comment */

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you toggle a comment on a line of code in VS Code?

Press Command or Control + /

Press Command or Control + C

Press Shift + C

Press Alt + C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which shortcut allows you to move a line of code up or down in VS Code?

Alt or Option + Arrow keys

Shift + Arrow keys

Command or Control + Arrow keys

Command or Control + Shift + Arrow keys

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shortcut to duplicate a line of code in VS Code?

Command + D

Shift + Alt + Down Arrow

Control + D

Alt + Shift + Up Arrow

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you select all instances of a word in VS Code?

Command or Control + A

Command or Control + Shift + F

Command or Control + Shift + L

Command or Control + F

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which shortcut is used to toggle the terminal in VS Code?

Command or Control + T

Command or Control + Shift + T

Command or Control + ~

Command or Control + B

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