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Commenting in JavaScript. Multi-line Comments | JavaScript syntax
Introduction to JavaScript (staging)
course content

Course Content

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
2. JavaScript syntax
3. Data Types and Variables

Commenting in JavaScript. Multi-line Comments

Multi-line Comments
Multiline comments have a purpose same as single-line comments.
Multiline comments start with two symbols: /*. To end the comment, we use these symbols */ again. Everything in these symbols will be commented out.

123456789
/* class WebDeveloper{ constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } let me = new WebDeveloper('Robin', 'Wieruch'); console.log(me); */
copy

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Summary:

  • Comments are used to illustrate the code and make the program more clear for developers.
  • Commented part is not implemented by the browser.
  • We can comment just a line of code.
  • We can comment entire block of code

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 15
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Commenting in JavaScript. Multi-line Comments

Multi-line Comments
Multiline comments have a purpose same as single-line comments.
Multiline comments start with two symbols: /*. To end the comment, we use these symbols */ again. Everything in these symbols will be commented out.

123456789
/* class WebDeveloper{ constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } let me = new WebDeveloper('Robin', 'Wieruch'); console.log(me); */
copy

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Summary:

  • Comments are used to illustrate the code and make the program more clear for developers.
  • Commented part is not implemented by the browser.
  • We can comment just a line of code.
  • We can comment entire block of code

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 15
toggle bottom row

Commenting in JavaScript. Multi-line Comments

Multi-line Comments
Multiline comments have a purpose same as single-line comments.
Multiline comments start with two symbols: /*. To end the comment, we use these symbols */ again. Everything in these symbols will be commented out.

123456789
/* class WebDeveloper{ constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } let me = new WebDeveloper('Robin', 'Wieruch'); console.log(me); */
copy

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Summary:

  • Comments are used to illustrate the code and make the program more clear for developers.
  • Commented part is not implemented by the browser.
  • We can comment just a line of code.
  • We can comment entire block of code

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Multi-line Comments
Multiline comments have a purpose same as single-line comments.
Multiline comments start with two symbols: /*. To end the comment, we use these symbols */ again. Everything in these symbols will be commented out.

123456789
/* class WebDeveloper{ constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } let me = new WebDeveloper('Robin', 'Wieruch'); console.log(me); */
copy

Task

In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.

Summary:

  • Comments are used to illustrate the code and make the program more clear for developers.
  • Commented part is not implemented by the browser.
  • We can comment just a line of code.
  • We can comment entire block of code

Switch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 15
Switch to desktop for real-world practiceContinue from where you are using one of the options below
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