Learn JavaScript from Scratch JavaScript for Everyone - Coding Comments

Learn JavaScript from Scratch JavaScript for Everyone - Coding Comments

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers the use of comments in JavaScript code. It explains the purpose of comments, how to use single line and multiline comments, and provides practical tips for effective commenting. The tutorial also includes an exercise for viewers to practice writing comments and previews the next lesson on operators.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using comments in code?

To increase the file size

To execute code faster

To make code run on all browsers

To prevent code from being executed

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyboard shortcut is commonly used to comment out a line of code?

Ctrl + C

Ctrl + V

Ctrl + /

Ctrl + S

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you comment out multiple lines of code in JavaScript?

Using // at the start of each line

Using /* at the start and */ at the end

Using # at the start of each line

Using

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the code inside a comment block?

It is highlighted in red

It causes an error

It is ignored by the JavaScript engine

It is executed twice

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next topic to be covered after commenting?

Functions

Variables

Operators

Loops

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