Exploring 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).
- Integers: Discrete numbers like
-
Booleans are values that can be either
trueorfalse; -
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?
Var allt tydligt?
Tack för dina kommentarer!
Avsnitt 1. Kapitel 25
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Exploring 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).
- Integers: Discrete numbers like
-
Booleans are values that can be either
trueorfalse; -
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?
Var allt tydligt?
Tack för dina kommentarer!
Avsnitt 1. Kapitel 25