search
HomeWeb Front-endFront-end Q&AHow to convert decimal to octal in JavaScript

In JavaScript, you can use the toString() method to convert decimal to octal. This method is used for string representation of numbers. When the parameter is set to "8", you can convert the number to 8. Hexadecimal display, the syntax is "number.toString(8)".

How to convert decimal to octal in JavaScript

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

How to convert decimal to octal in JavaScript

JavaScript toString() method

is used for string representation of numbers.

For example, when radix is ​​2, NumberObject will be converted to a string represented by a binary value.

Syntax

number.toString(radix)

radix Optional. Specifies the base for representing numbers, which is an integer between 2 and 36. If this parameter is omitted, base 10 is used. Note, however, that if the parameter is a value other than 10 , the ECMAScript standard allows implementations to return any value.

2 - Numbers are displayed as binary values ​​

8 - Numbers are displayed as octal values ​​

16 - Numbers are displayed as hexadecimal values ​​

Examples are as follows :

<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<p id="demo">单击按钮来显示格式化的数字</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var num = 10;
var x = document.getElementById("demo");
x.innerHTML=num.toString(8);
}
</script>
</body>
</html>

Output result:

How to convert decimal to octal in JavaScript

Related recommendations: javascript learning tutorial

The above is the detailed content of How to convert decimal to octal in JavaScript. For more information, please follow other related articles on the PHP Chinese website!

Statement
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
CSS IDs vs Classes: which is better for accessibility?CSS IDs vs Classes: which is better for accessibility?May 10, 2025 am 12:02 AM

Classesarebetterforaccessibilityinwebdevelopment.1)Classescanbeappliedtomultipleelements,ensuringconsistentstylesandbehaviors,whichaidsuserswithdisabilities.2)TheyfacilitatetheuseofARIAattributesacrossgroupsofelements,enhancinguserexperience.3)Classe

CSS: Understanding the Difference Between Class and ID SelectorsCSS: Understanding the Difference Between Class and ID SelectorsMay 09, 2025 pm 06:13 PM

Classselectorsarereusableformultipleelements,whileIDselectorsareuniqueandusedonceperpage.1)Classes,denotedbyaperiod(.),areidealforstylingmultipleelementslikebuttons.2)IDs,denotedbyahash(#),areperfectforuniqueelementslikeanavigationmenu.3)IDshavehighe

CSS Styling: Choosing Between Class and ID SelectorsCSS Styling: Choosing Between Class and ID SelectorsMay 09, 2025 pm 06:09 PM

In CSS style, the class selector or ID selector should be selected according to the project requirements: 1) The class selector is suitable for reuse and is suitable for the same style of multiple elements; 2) The ID selector is suitable for unique elements and has higher priority, but should be used with caution to avoid maintenance difficulties.

HTML5: LimitationsHTML5: LimitationsMay 09, 2025 pm 05:57 PM

HTML5hasseverallimitationsincludinglackofsupportforadvancedgraphics,basicformvalidation,cross-browsercompatibilityissues,performanceimpacts,andsecurityconcerns.1)Forcomplexgraphics,HTML5'scanvasisinsufficient,requiringlibrarieslikeWebGLorThree.js.2)I

CSS: Is one style more priority than another?CSS: Is one style more priority than another?May 09, 2025 pm 05:33 PM

Yes,onestylecanhavemoreprioritythananotherinCSSduetospecificityandthecascade.1)Specificityactsasascoringsystemwheremorespecificselectorshavehigherpriority.2)Thecascadedeterminesstyleapplicationorder,withlaterrulesoverridingearlieronesofequalspecifici

What are the significant goals of the HTML5 specification?What are the significant goals of the HTML5 specification?May 09, 2025 pm 05:25 PM

ThesignificantgoalsofHTML5aretoenhancemultimediasupport,ensurehumanreadability,maintainconsistencyacrossdevices,andensurebackwardcompatibility.1)HTML5improvesmultimediawithnativeelementslikeand.2)ItusessemanticelementsforbetterreadabilityandSEO.3)Its

What are the limitations of React?What are the limitations of React?May 02, 2025 am 12:26 AM

React'slimitationsinclude:1)asteeplearningcurveduetoitsvastecosystem,2)SEOchallengeswithclient-siderendering,3)potentialperformanceissuesinlargeapplications,4)complexstatemanagementasappsgrow,and5)theneedtokeepupwithitsrapidevolution.Thesefactorsshou

React's Learning Curve: Challenges for New DevelopersReact's Learning Curve: Challenges for New DevelopersMay 02, 2025 am 12:24 AM

Reactischallengingforbeginnersduetoitssteeplearningcurveandparadigmshifttocomponent-basedarchitecture.1)Startwithofficialdocumentationforasolidfoundation.2)UnderstandJSXandhowtoembedJavaScriptwithinit.3)Learntousefunctionalcomponentswithhooksforstate

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

SublimeText3 Linux new version

SublimeText3 Linux new version

SublimeText3 Linux latest version

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SublimeText3 English version

SublimeText3 English version

Recommended: Win version, supports code prompts!