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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

bookBoolean Naming Convention

Boolean naming convention

Boolean, in programming, is a data type that is either true or false. Prefixes like is, has, and are added in the booleans to distinguish them from other variables. Boolean data-type has two values true or false.

Note We will discuss booleans in more detail in the upcoming chapters.


              
1234567

            
// Not clear that the identifier is a boolean
let clear = true;
console.log(clear);

// clear that the identifier is a boolean
let isClear = true;
console.log(isClear);
copy

Tarefa

Declare a boolean variable with an identifier Raining. Use the prefix is with the above boolean variable and store the false value in it. Display the value of the variable in the end.

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Seção 2. Capítulo 9
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bookBoolean Naming Convention

Boolean naming convention

Boolean, in programming, is a data type that is either true or false. Prefixes like is, has, and are added in the booleans to distinguish them from other variables. Boolean data-type has two values true or false.

Note We will discuss booleans in more detail in the upcoming chapters.


              
1234567

            
// Not clear that the identifier is a boolean
let clear = true;
console.log(clear);

// clear that the identifier is a boolean
let isClear = true;
console.log(isClear);
copy

Tarefa

Declare a boolean variable with an identifier Raining. Use the prefix is with the above boolean variable and store the false value in it. Display the value of the variable in the end.

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 9
toggle bottom row

bookBoolean Naming Convention

Boolean naming convention

Boolean, in programming, is a data type that is either true or false. Prefixes like is, has, and are added in the booleans to distinguish them from other variables. Boolean data-type has two values true or false.

Note We will discuss booleans in more detail in the upcoming chapters.


              
1234567

            
// Not clear that the identifier is a boolean
let clear = true;
console.log(clear);

// clear that the identifier is a boolean
let isClear = true;
console.log(isClear);
copy

Tarefa

Declare a boolean variable with an identifier Raining. Use the prefix is with the above boolean variable and store the false value in it. Display the value of the variable in the end.

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!

Boolean naming convention

Boolean, in programming, is a data type that is either true or false. Prefixes like is, has, and are added in the booleans to distinguish them from other variables. Boolean data-type has two values true or false.

Note We will discuss booleans in more detail in the upcoming chapters.


              
1234567

            
// Not clear that the identifier is a boolean
let clear = true;
console.log(clear);

// clear that the identifier is a boolean
let isClear = true;
console.log(isClear);
copy

Tarefa

Declare a boolean variable with an identifier Raining. Use the prefix is with the above boolean variable and store the false value in it. Display the value of the variable in the end.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 2. Capítulo 9
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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