w10schools
Login Register
  • Home
  • Tutorials
    • HTML, CSS
      • HTML, HTML5
      • CSS, CSS3
    • XML
    • JavaScript, AJAX
    • PHP
    • Ruby on Rails
      • Ruby
      • Rails
    • ASP.NET
      • ASP
      • C# .NET
    • Java
      • JSP
    • Databases
      • MySQL
      • MSSQL Server
      • Oracle
    • Web Server
      • Windows
      • Linux
      • Apache
      • IIS
    • Design
      • Dreamweaver
      • Flash
      • Photoshop
      • Fireworks
      • CorelDRAW
      • Illustrator
  • References
    • HTML
      • Bootstrap
    • CSS
      • CSS Selectors
      • Sass
    • JavaScript
    • Mobile Apps
      • Cordova
    • Ruby on Rails
      • Ruby
      • Rails
    • PHP
      • Function
      • Language
      • CodeIgniter
      • Phalcon
      • PHPUnit
      • Symfony
      • Drupal
      • Yii
      • Laravel
    • Perl
      • Perl
    • Python
      • Python
      • Django
      • NumPy
      • Pandas
      • scikit-image
      • scikit-learn
      • Statsmodels
      • Matplotlib
    • Lua
      • Lua
    • C, C++
      • C
      • C++
    • Server
      • Docker
      • Apache HTTP Server
      • Nginx
    • Database
      • PostgreSQL
    • Big Data
      • TensorFlow
    • Game Development
      • Phaser
      • LÖVE
  • Articles
    • News
    • General
      • Website Promotion
      • Online Advertising
      • Make Money Online
    • Editorials
    • Interviews
    • Web Roundups
  • Resources
    • Design
      • Fonts
      • Graphics
      • Vectors
      • Templates
      • UI (User Interface)
      • Brushes
      • Patterns, Backgrounds
      • Textures
    • Web Development
      • HTML, CSS
      • XML
      • JavaScript, AJAX
      • Ruby on Rails
      • PHP
      • Java
      • .NET
      • Python
      • Perl
      • Flash
    • Mobile Application Development
      • Mobile Development Tools
      • Swift
    • Online Services
      • Online Storage
      • Web Hosting
  • Tools
    • Generators
Edit
In Place Editing Advanced Editing
  • References
  • JavaScript
  • Node.js
  • Util

util.isSymbol()

util.isSymbol(object)

Stability: 0 - Deprecated

Returns true if the given "object" is a Symbol. Otherwise, returns false.

const util = require('util');

util.isSymbol(5)
  // false
util.isSymbol('foo')
  // false
util.isSymbol(Symbol('foo'))
  // true
Links:
  • https://nodejs.org/dist/latest-v5.x/docs/api/util.html#util_util_issymbol_object
doc_Nodejs
doc_Nodejs
2025-01-10 15:47:30
Comments
Leave a Comment

Please login to continue.

Popular Articles
_.isSymbol _.isSymbol(value) source npm package Checks if value is classified as a Symbol primitive or object. Since 4.0.0 Arguments value (*): The value to
Utils#Utils new Utils() Source code: utils/Utils.js (Line 11)
utility This header is part of the general utility library. Includes <initializer_list>(C++11) Namespaces rel_ops Provide automatic compa
Utils.mixin() <static> mixin(from, to) → {object} Mixes the source object into the destination object, returning the newly modified destination object.Bas
GeoDjango Utilities The django.contrib.gis.utils module contains various utilities that are useful in creating geospatial Web applications. LayerMapping data import uti


Return to View
  • Facebook
  • Tweet
  • Digg it
  • Stumbleupon
  • Delicious
  • Plus Share

Designed by : w10schools

service@w10schools.com

Our Partners: aeeble – Providing content publishing and search solutions