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Boolean 1/4 | Data Types and Variables
Introduction to JavaScript (staging)
course content

Conteúdo do Curso

Introduction to JavaScript (staging)

Introduction to JavaScript (staging)

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

Boolean 1/4

What are Booleans Values

The boolean data type is either true or false. In programming, we often need to know if an expression (code snippet which evaluates to some value) is true or false so in that case, we use boolean values. In JavaScript, boolean variables are defined by the true and false keywords.

12
let isClear = true; console.log(isClear);
copy

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

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Tudo estava claro?

Seção 3. Capítulo 15
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Boolean 1/4

What are Booleans Values

The boolean data type is either true or false. In programming, we often need to know if an expression (code snippet which evaluates to some value) is true or false so in that case, we use boolean values. In JavaScript, boolean variables are defined by the true and false keywords.

12
let isClear = true; console.log(isClear);
copy

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Tudo estava claro?

Seção 3. Capítulo 15
toggle bottom row

Boolean 1/4

What are Booleans Values

The boolean data type is either true or false. In programming, we often need to know if an expression (code snippet which evaluates to some value) is true or false so in that case, we use boolean values. In JavaScript, boolean variables are defined by the true and false keywords.

12
let isClear = true; console.log(isClear);
copy

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Tudo estava claro?

What are Booleans Values

The boolean data type is either true or false. In programming, we often need to know if an expression (code snippet which evaluates to some value) is true or false so in that case, we use boolean values. In JavaScript, boolean variables are defined by the true and false keywords.

12
let isClear = true; console.log(isClear);
copy

Tarefa

Declare a variable isEarthFlat and assign the value false to it. Display the value on the console.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 3. Capítulo 15
Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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