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Introduction to JavaScript (staging)
course content

Course Content

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

1. Introduction
Writing our first codeOutput Using Variables 1/2Output Using Variables 2/2
2. JavaScript syntax
JavaScript SyntaxJavaScript VariablesJavaScript OperatorsIdentifiers in JavaScriptNaming IdentifiersReserved keywords in JavaScriptNaming Convention in JavaScript. Case StylesVariables Naming ConventionBoolean Naming ConventionConstant Naming ConventionFunction & Classes Naming ConventionMultiline StringsMultiline Strings. ConcatenatingCommenting in JavaScriptCommenting in JavaScript. Multi-line Comments
3. Data Types and Variables
What are Variables?What are Data-types?JavaScript and Type ConversionVar 1/3Var 2/3Var 3/3Let 1/2Let 2/2Constant 1/3Constant 2/3Constant 3/3Number 1/3Number 2/3Number 3/3Boolean 1/4Boolean 2/4Boolean 3/4Boolean 4/4Strings 1/5Strings 2/5Strings 3/5Strings 4/5Strings 5/5BigInt 1/3BigInt 2/3BigInt 3/3Symbols 1/3Symbols 2/3Symbols 3/3NullUndefinedNull vs Undefined

bookCommenting 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.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 15
toggle bottom row

bookCommenting 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.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 15
toggle bottom row

bookCommenting 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.

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 desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

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