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Introduction to JavaScript (staging)
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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

Tarefa

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 desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 15
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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

Tarefa

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 desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 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

Tarefa

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 desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu 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

Tarefa

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 desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 2. Capítulo 15
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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