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JavaScript Essentials for Beginners - 1768407374405

bookExploring Primitive Data Types

Summary

  • There are two types of numbers in JavaScript:

    • Integers: Discrete numbers like 1, 2, 3, -1, -2, -3, etc;
    • Floats (Floating-Point Numbers): Numerical values that have a decimal in them (e.g., 3.14, -0.5).

  • Booleans are values that can be either true or false;

  • Null (null) values represent the intentional absence of data.

1. Which of the following is a primitive data type in JavaScript?

2. What is the primitive data type used to represent true or false values?

3. Which of the following represents a floating-point number?

question mark

Which of the following is a primitive data type in JavaScript?

Select the correct answer

question mark

What is the primitive data type used to represent true or false values?

Select the correct answer

question mark

Which of the following represents a floating-point number?

Select the correct answer

Tutto è chiaro?

Come possiamo migliorarlo?

Grazie per i tuoi commenti!

Sezione 1. Capitolo 25

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bookExploring Primitive Data Types

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Summary

  • There are two types of numbers in JavaScript:

    • Integers: Discrete numbers like 1, 2, 3, -1, -2, -3, etc;
    • Floats (Floating-Point Numbers): Numerical values that have a decimal in them (e.g., 3.14, -0.5).

  • Booleans are values that can be either true or false;

  • Null (null) values represent the intentional absence of data.

1. Which of the following is a primitive data type in JavaScript?

2. What is the primitive data type used to represent true or false values?

3. Which of the following represents a floating-point number?

question mark

Which of the following is a primitive data type in JavaScript?

Select the correct answer

question mark

What is the primitive data type used to represent true or false values?

Select the correct answer

question mark

Which of the following represents a floating-point number?

Select the correct answer

Tutto è chiaro?

Come possiamo migliorarlo?

Grazie per i tuoi commenti!

Sezione 1. Capitolo 25
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