Home Web Front-end JS Tutorial How to calculate the factorial of a number using JavaScript? (code example)

How to calculate the factorial of a number using JavaScript? (code example)

Mar 26, 2019 am 10:04 AM
javascript

This article will introduce you to the method of calculating the factorial of a number using javascript. I hope it will be helpful to you! In mathematics, the factorial of a nonnegative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, 5!= 5 x 4 x 3 x 2 x 1 = 120

How to calculate the factorial of a number using JavaScript? (code example)

The following will introduce to you the implementation method of calculating the factorial of a number in JavaScript:

The HTML code is as follows:

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>计算一个数的阶乘</title>
</head>
<body>
</body>
</html>
Copy after login

The js code is as follows:

function factorial(x) { 
  if (x === 0)
 {
    return 1;
 }
  return x * factorial(x-1);
         }console.log(factorial(5));
Copy after login

Output:

120
Copy after login

Related recommendations: "javascript tutorial

This article is an introduction to the method of calculating the factorial of a number using JavaScript. It is simple and easy to understand. I hope it will be helpful to friends in need!

The above is the detailed content of How to calculate the factorial of a number using JavaScript? (code example). For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot Article Tags

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to implement an online speech recognition system using WebSocket and JavaScript How to implement an online speech recognition system using WebSocket and JavaScript Dec 17, 2023 pm 02:54 PM

How to implement an online speech recognition system using WebSocket and JavaScript

WebSocket and JavaScript: key technologies for implementing real-time monitoring systems WebSocket and JavaScript: key technologies for implementing real-time monitoring systems Dec 17, 2023 pm 05:30 PM

WebSocket and JavaScript: key technologies for implementing real-time monitoring systems

How to implement an online reservation system using WebSocket and JavaScript How to implement an online reservation system using WebSocket and JavaScript Dec 17, 2023 am 09:39 AM

How to implement an online reservation system using WebSocket and JavaScript

How to use JavaScript and WebSocket to implement a real-time online ordering system How to use JavaScript and WebSocket to implement a real-time online ordering system Dec 17, 2023 pm 12:09 PM

How to use JavaScript and WebSocket to implement a real-time online ordering system

JavaScript and WebSocket: Building an efficient real-time weather forecasting system JavaScript and WebSocket: Building an efficient real-time weather forecasting system Dec 17, 2023 pm 05:13 PM

JavaScript and WebSocket: Building an efficient real-time weather forecasting system

Simple JavaScript Tutorial: How to Get HTTP Status Code Simple JavaScript Tutorial: How to Get HTTP Status Code Jan 05, 2024 pm 06:08 PM

Simple JavaScript Tutorial: How to Get HTTP Status Code

How to use insertBefore in javascript How to use insertBefore in javascript Nov 24, 2023 am 11:56 AM

How to use insertBefore in javascript

How to get HTTP status code in JavaScript the easy way How to get HTTP status code in JavaScript the easy way Jan 05, 2024 pm 01:37 PM

How to get HTTP status code in JavaScript the easy way

See all articles