Data Types in JavaScript
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JavaScript provides several data types to hold different types of values. There are Manely two types of datatype used in JavaScript.
- Primitive (value) data type
- Non-primitive (reference) data type
primitive data type is a data type that stores a single value, normally a literal of some sort, such as numbers and strings.
non primitive data type is a data type that can be used by reference ,it can be changed or access through member
JavaScript primitive data types
There are five types of primitive data types used in JavaScript. they are given below
| Data Type | Description |
| String | represents sequence of characters e.g. "prasun" |
| Number | represents numeric values e.g. 500 |
| Boolean | its represents boolean value either or true false |
| Undefined | its represents undefined value |
| Null | represents null (i.e. means) no value at all |
Example:
<html> <head> <p>Example of primitive data types</p> <script="script/text"> string ="prasant prasun"<br> num="85"<br> bool="true or false"<br> </script> <head> <html>
Output :
Example of primitive data types string ="prasant prasun" num="85" bool="true or false"
JavaScript non-primitive data types
The non-primitive data types which is used in javascript they are given below
| Data Type | Description |
| Object | its represents instance which can access through members |
| Array | its represents a group of similar values |
| RegExp | its represents regular expression |
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