- String. Strings are always declared through quotations: …
- Boolean. Booleans are the logical values, either true or false . …
- Symbol. …
- Object. …
- undefined. …
- Primitive values (immutable datum represented directly at the lowest level of the language) Boolean type. Null type. Undefined type. Number type. BigInt type. String type. Symbol type.
- Objects (collections of properties)
What is JSON format?
Can I learn DSA in JS?
What is  in TypeScript?
What are the five data types?
- String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
- Character (or char). Used for single letters.
- Integer (or int). Used for whole numbers.
- Float (or Real). …
- Boolean (or bool).
Is array a data type?
In computer science, an array type is a data type that represents a collection of elements (values or variables), each selected by one or more indices (identifying keys) that can be computed at run time during program execution. Such a collection is usually called an array variable, array value, or simply array.
Why are arrays used in programming?
Arrays are used when there is a need to use many variables of the same type. It can be defined as a sequence of objects which are of the same data type. It is used to store a collection of data, and it is more useful to think of an array as a collection of variables of the same type.
What is class data structure?
In object-oriented programming, a class is a blueprint for creating objects (a particular data structure), providing initial values for state (member variables or attributes), and implementations of behavior (member functions or methods). The user-defined objects are created using the class keyword.
What are the types of data type?
|Data Type||Used for||Example|
|String||Alphanumeric characters||hello world, Alice, Bob123|
|Integer||Whole numbers||7, 12, 999|
|Float (floating point)||Number with a decimal point||3.15, 9.06, 00.13|
|Character||Encoding text numerically||97 (in ASCII, 97 is a lower case ‘a’)|