JavaScript

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Explore the main themes, entities and connections around JavaScript. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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History

Graphical user interface Mosaic Netscape Netscape Navigator Webpage

47 related topics

Website client-side usage

Client-side WebSocket Users Social media Browser games

23 related topics

Security

Same-origin policy Content Security Policy Cross-site scripting HTML sanitization Cross-site request forgery

20 related topics

Execution

Engines Rendering engine Web IDL WebAssembly Sandbox

18 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Designed by: Brendan Eich of Netscape first; then others contributed to ECMAScript standard
Family: ECMAScript
Filename extensions: .js • .mjs • .cjs
First appeared: 4 December 1995; 30 years ago (1995-12-04)
Memory management: Garbage collected
Paradigms: Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Programming language
The Web World Wide Web
HTML
CSS
Brendan Eich
Ecma International
TC39
Web APIs Web platform
W3C
WHATWG
GitHub
TypeScript
Web browsers Web browser
JavaScript engine
Code Source code
Servers Server (computing)
Apps Application software
Runtime system
Node.js
High-level High-level programming language
Just-in-time–compiled Just-in-time compilation
ECMAScript version 6 ECMAScript
Dynamically typed Dynamic typing
Prototypes Prototype-based programming
Object-orientation Object-oriented programming
First-class functions First-class function
Programming styles Programming paradigm
Event-driven Event-driven programming
Functional Functional programming
Imperative Imperative programming

History

Graphical user interface
Mosaic Mosaic (web browser)
Netscape
Netscape Navigator
Webpage Web page
Sun Microsystems
Scheme Scheme (programming language)
Websites Website
Interpreter Interpreter (computing)
Beta Beta software
Dot-com boom Dot-com bubble
Microsoft
Internet Explorer
Browser war
JScript
Implementations Implementation
Sidekick
Pop-ups Pop-up ad
Status bar
Client-side scripting
Mozilla
Firefox
ECMAScript for XML
Macromedia
Adobe Systems
Tamarin Tamarin (software)
Open source Open-source model
Jesse James Garrett
Ajax Ajax (programming)
Web applications Web application

Trademark

Trademark
Oracle Corporation
They acquired Sun Acquisition of Sun Microsystems by Oracle Corporation

Website client-side usage

Client-side
WebSocket
Users User (computing)
Social media
Browser games Browser game
Playback Media player software
Streaming media
Validating Data validation
Web form Form (HTML)
Web server
Analytics Web analytics
Ad tracking
Personalization
Storage Web storage
IndexedDB Indexed Database API
Library Library (computing)
Angular Angular (web framework)
Bootstrap Bootstrap (front-end framework)
Lodash
Modernizr
React React (software)
Underscore Underscore.js
Vue Vue.js

Other usage

Server-side
Netscape Enterprise Server
Internet Information Services
Electron Electron (software framework)
Cordova Apache Cordova
React Native
Application frameworks Application framework
Adobe Acrobat
PDF
GNOME Shell
Nashorn Nashorn (JavaScript engine)
Java Development Kit
OpenJDK
Embedded systems Embedded system

Execution

Engines Software engine
Rendering engine Browser engine
Web IDL
WebAssembly
Sandbox Sandbox (computer security)
Threaded Thread (computing)
Messages Message (computer science)
Queue Queue (abstract data type)
Function Subroutine
Call stack
Arguments Parameter (computer programming)
Local variables Local variable
Concurrency model Concurrency (computer science)
Non-blocking Asynchronous I/O
Events Event (computing)
Callback functions Callback (computer programming)
Deno Deno (software)
Bun Bun (software)

Features

Structured programming
Scoping Scope (computer science)
Function scoping
Block scoping
Const Const (computer programming)
Expressions Expression (computer science)
Statements Statement (computer science)
Automatic semicolon insertion Defensive semicolon
Weakly typed Strong and weak typing
Binary64 Double-precision floating-point format
Integer Arbitrary-precision arithmetic
Prototype JavaScript
Douglas Crockford
Object Object (computer science)
Associative array
Properties Property (programming)
Delegation Delegation (object-oriented programming)
Array comprehensions List comprehension

Syntax

Variables Variable (computer science)
Comments Comment (computer programming)
Forward slashes Slash (punctuation)

Security

Same-origin policy
Content Security Policy
Cross-site scripting
HTML sanitization
Cross-site request forgery
POST POST (HTTP)
GET GET (HTTP)
Obfuscated Obfuscated code
Prototype pollution
Buffer overflows Buffer overflow
API
Adobe Flash
ActiveX
Microsoft Windows
Windows Script Host
VBScript
Trojan horse Trojan horse (computing)
Rowhammer
ASLR Address space layout randomization
Spectre Spectre (security vulnerability)

Development tools

Web development tools
Debugger
Static program analysis
ESLint
JSLint
Profilers Profiling (computer programming)
Text editors Text editor

Related technologies

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Nodes239

Edges238

Triples253

Avg. degree1.99

Density0.008368

Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

JavaScript

Top relations

related to Further reading · 19

JavaScript → Archived, California, David, Eloquent JavaScript, Flanagan, Haverbeke, ISBN, March, Marijn, Nicholas, No Starch Press, O'Reilly, Object-Oriented JavaScript, PDF, Principles, San Francisco, Sebastopol, The Definitive Guide, Zakas

related to Misplaced trust in developers · 13

JavaScript → ALEXA, Another, Azer Koçulu, Bower, Developers, In, Inversely, March, Package, Relied-upon, Such, The, This

related to Security · 13

JavaScript → ADsafe, Browser, Closure Toolkit, DOM, First, HTML, Most JavaScript-related, Second, Secure ECMAScript, SES, There, Web, Web-related

related to Java · 12

JavaScript → Both, Brendan Eich, C-like, In, James Gosling, Java, Java's, JavaScript's, JavaScript'sMathandDateobjects, Netscape Communications, Sun Microsystems, They

related to JavaScript engine · 12

JavaScript → Document Object Model, ECMAScript, For, However, In, Node, The, They, V8, Web IDL, WebAssembly, With

related to Cross-site scripting · 11

JavaScript → However, HTML, JavaScript-related, One, Only, Some, The, URL, Web, Website, XSS

related to Adoption by Microsoft · 10

JavaScript → CSS, Each, HTML, Internet Explorer, JScript, Microsoft, Netscape, Netscape Navigator, On, These

related to Libraries and frameworks · 10

JavaScript → Angular, Bootstrap, Lodash, Modernizr, Multiple, Other, Over, React, Underscore, Vue

related to Trademark · 10

JavaScript → Brendan Eich, May, Oracle, Oracle Corporation, Ryan Dahl, September, Sun, Sun Microsystems, The, United States

related to Cross-site request forgery · 9

JavaScript → Another, Checking, CSRF, HTTP Referrer, In, In CSRF, JSON, Possible, When

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

web code ecmascript browser language object function java prototype functions netscape also syntax microsoft libraries standard programming engines js new

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
JavaScript	Designed by	Brendan Eich of Netscape first; then others contributed to ECMAScript standard	1.00	infobox
JavaScript	Family	ECMAScript	1.00	infobox
JavaScript	Filename extensions	.js • .mjs • .cjs	1.00	infobox
JavaScript	First appeared	4 December 1995; 30 years ago (1995-12-04)	1.00	infobox
JavaScript	Memory management	Garbage collected	1.00	infobox
JavaScript	Paradigms	Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented	1.00	infobox
JavaScript	Preview release	ECMAScript 2025 / 27 March 2024; 2 years ago (27 March 2024)	1.00	infobox
JavaScript	Scope	Lexical	1.00	infobox
JavaScript	Stable release	ECMAScript 2024 / June 2024; 2 years ago (June 2024)	1.00	infobox
JavaScript	Typing discipline	Dynamic, weak, duck	1.00	infobox
JavaScript	Website	ecma-international.org/publications-and-standards/standards/ecma-262/	1.00	infobox
JavaScript	is a	most widely used programming language on GitHub	0.90	text
JavaScript	is a	high-level	0.90	text
JavaScript	is a	single-threaded language	0.90	text
JavaScript	is a	dynamically-typed language	0.90	text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

Connections between topic areas Semantic bridges

Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

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