Kursusindhold
Introduction to JavaScript (staging)
Introduction to JavaScript (staging)
Boolean 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.
// 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);
Swipe to start coding
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.
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederTak for dine kommentarer!
Boolean 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.
// 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);
Swipe to start coding
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.
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederTak for dine kommentarer!
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder