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Boolean 4/4 | 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

bookBoolean 4/4

Simple Applications of Boolean() Function

We can pass expressions to the Boolean function to check whether it’s true or false. For example, the following code checks if the number passed to the Boolean() function is completely divisible by 3. It returns true if the value is completely divisible by 3 and false otherwise.

1
console.log(Boolean(21%3 == 0));
copy

But without Boolean() we also get the same result. But Boolean function gives more clarity that Boolean value must return.

1
console.log(21%3 == 0);
copy

Summary

  • Boolean values are either true or false.
  • The first letter of Boolean values (true and false) should be written in uppercase.
  • The Boolean() method is used to evaluate an expression and returns true or false based on results.

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Seção 3. Capítulo 18
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bookBoolean 4/4

Simple Applications of Boolean() Function

We can pass expressions to the Boolean function to check whether it’s true or false. For example, the following code checks if the number passed to the Boolean() function is completely divisible by 3. It returns true if the value is completely divisible by 3 and false otherwise.

1
console.log(Boolean(21%3 == 0));
copy

But without Boolean() we also get the same result. But Boolean function gives more clarity that Boolean value must return.

1
console.log(21%3 == 0);
copy

Summary

  • Boolean values are either true or false.
  • The first letter of Boolean values (true and false) should be written in uppercase.
  • The Boolean() method is used to evaluate an expression and returns true or false based on results.

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 3. Capítulo 18
toggle bottom row

bookBoolean 4/4

Simple Applications of Boolean() Function

We can pass expressions to the Boolean function to check whether it’s true or false. For example, the following code checks if the number passed to the Boolean() function is completely divisible by 3. It returns true if the value is completely divisible by 3 and false otherwise.

1
console.log(Boolean(21%3 == 0));
copy

But without Boolean() we also get the same result. But Boolean function gives more clarity that Boolean value must return.

1
console.log(21%3 == 0);
copy

Summary

  • Boolean values are either true or false.
  • The first letter of Boolean values (true and false) should be written in uppercase.
  • The Boolean() method is used to evaluate an expression and returns true or false based on results.

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!

Simple Applications of Boolean() Function

We can pass expressions to the Boolean function to check whether it’s true or false. For example, the following code checks if the number passed to the Boolean() function is completely divisible by 3. It returns true if the value is completely divisible by 3 and false otherwise.

1
console.log(Boolean(21%3 == 0));
copy

But without Boolean() we also get the same result. But Boolean function gives more clarity that Boolean value must return.

1
console.log(21%3 == 0);
copy

Summary

  • Boolean values are either true or false.
  • The first letter of Boolean values (true and false) should be written in uppercase.
  • The Boolean() method is used to evaluate an expression and returns true or false based on results.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 3. Capítulo 18
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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