Infinity - JavaScript | MDN

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HTML: Markup language

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Date & time formats

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CSS: Styling language

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Centering an element

JavaScript: Scripting language

Standard built-in objects

Expressions & operators

Statements & declarations

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Control flow & error handing

Loops and iteration

Working with objects

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Web APIs: Programming interfaces

Service worker API

Using the Web animation API

Using the Fetch API

Working with the History API

Using the Web speech API

All web technology

Progressive web apps

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Getting started modules

Structuring content with HTML module

CSS styling basics module

Dynamic scripting with JavaScript module

Border-image generator

Border-radius generator

Box-shadow generator

Color format converter

Number.POSITIVE_INFINITY

The same number value as Number.POSITIVE_INFINITY.

Number.NEGATIVE_INFINITY

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This page was last modified on Jul 8, 2025 by MDN contributors.

Expressions and operators

Numbers and strings

Representing dates & times

Regular expressions

Indexed collections

JavaScript typed arrays

Iterators and generators

Resource management

Internationalization

JavaScript modules

JavaScript data structures

Equality comparisons and sameness

Enumerability and ownership of properties