Latest web development tutorials

×

JavaScript Reference

JavaScript

JS String JS Number JS Operators JS Statements JS Math JS Date JS Array JS Boolean JS RegExp JS Global JS Conversion

Browser BOM

Window Navigator Screen History Location

HTML DOM

DOM Document DOM Elements DOM Attributes DOM Events DOM Style

HTML Objects

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <keygen> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <style> <sub> <summary> <sup> <table> <td> <th> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Other Objects

CSSStyleDeclaration

JavaScript Infinity Property

< JavaScript Global Functions

Example

Display a number that exceeds the limit of a floating point number:

1.7976931348623157E+10308 + "<br>" + -1.7976931348623157E+10308;

The result will be:

Infinity
-Infinity

Try it Yourself »

Definition and Usage

Infinity is a numeric value that represents positive infinity.

-Infinity is a numeric value that represents negative infinity.

Infinity is displayed when a number exceeds the upper limit of the floating point numbers, which is 1.797693134862315E+308.

-Infinity is displayed when a number exceeds the lower limit of the floating point numbers, which is -1.797693134862316E+308.

Browser Support

Property
Infinity	Yes	Yes	Yes	Yes	Yes

Technical Details

JavaScript Version:	1.3

< JavaScript Global Functions