What are the numerical types in javascript

This article mainly introduces "what are the numerical types in javascript". In daily operation, I believe many people have doubts about what numerical types are in javascript. The editor consulted all kinds of data and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts about "what numerical types are there in javascript?" Next, please follow the editor to study!

The numeric types in javascript are string, number, Boolean, empty, undefined, Symbol, object, array, and function. Where objects, arrays, and functions belong to reference data types.

This article operating environment: windows10 system, javascript 1.8.5, thinkpad T480 computer.

There are two numerical types in javascript: the value type and the reference data type.

Value type (basic type): string (String), number (Number), Boolean (Boolean), null (Null), undefined (Undefined), Symbol.

Reference data types: object (Object), array (Array), function (Function).

JavaScript has dynamic types. This means that the same variable can be used as different types.

Look at the following example:

Var x; / x is undefinedvar x = 5; / / now x is a number var x = "John"; / / now x is a string, so the study of "what numerical types are there in javascript" is over, hoping to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!